Home / 71,331.27-98,440.26-39,500.19

Finding the Fourth Proportional to 71,331.27, 98,440.26 and 39,500.19

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Solution

The fourth proportional to 71,331.27, 98,440.26 and 39,500.19 is: 54,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,331.27 : 98,440.26 = 39,500.19 : x
  2. Step 2: Convert to fraction form
    71,331.27/98,440.26 = 39,500.19/x
  3. Step 3: Cross multiply
    71,331.27x = 98,440.26 × 39,500.19
  4. Step 4: Simplify right side
    71,331.27x = 3,888,408,973.65
  5. Step 5: Solve for x
    x = 3,888,408,973.65/71,331.27
  6. Step 6: Final answer
    x = 54,511.98

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Double scale
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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.