Home / 62,139.76-85,753-33,845.36

Finding the Fourth Proportional to 62,139.76, 85,753 and 33,845.36

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Solution

The fourth proportional to 62,139.76, 85,753 and 33,845.36 is: 46,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.76 : 85,753 = 33,845.36 : x
  2. Step 2: Convert to fraction form
    62,139.76/85,753 = 33,845.36/x
  3. Step 3: Cross multiply
    62,139.76x = 85,753 × 33,845.36
  4. Step 4: Simplify right side
    62,139.76x = 2,902,341,156.08
  5. Step 5: Solve for x
    x = 2,902,341,156.08/62,139.76
  6. Step 6: Final answer
    x = 46,706.67

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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.