Home / 83,804.19-115,633.17-47,011.59

Finding the Fourth Proportional to 83,804.19, 115,633.17 and 47,011.59

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Solution

The fourth proportional to 83,804.19, 115,633.17 and 47,011.59 is: 64,866.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,804.19 : 115,633.17 = 47,011.59 : x
  2. Step 2: Convert to fraction form
    83,804.19/115,633.17 = 47,011.59/x
  3. Step 3: Cross multiply
    83,804.19x = 115,633.17 × 47,011.59
  4. Step 4: Simplify right side
    83,804.19x = 5,436,099,178.44
  5. Step 5: Solve for x
    x = 5,436,099,178.44/83,804.19
  6. Step 6: Final answer
    x = 64,866.67

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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.