Home / 83,236.38-114,866.20-45,510.63

Finding the Fourth Proportional to 83,236.38, 114,866.20 and 45,510.63

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Solution

The fourth proportional to 83,236.38, 114,866.20 and 45,510.63 is: 62,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,236.38 : 114,866.20 = 45,510.63 : x
  2. Step 2: Convert to fraction form
    83,236.38/114,866.20 = 45,510.63/x
  3. Step 3: Cross multiply
    83,236.38x = 114,866.20 × 45,510.63
  4. Step 4: Simplify right side
    83,236.38x = 5,227,633,127.71
  5. Step 5: Solve for x
    x = 5,227,633,127.71/83,236.38
  6. Step 6: Final answer
    x = 62,804.67

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Double scale
Find fourth proportional to 83,237.38, 114,867.58 and 45,511.63
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.