Home / 71,332.26-98,438.43-39,501.12

Finding the Fourth Proportional to 71,332.26, 98,438.43 and 39,501.12

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Solution

The fourth proportional to 71,332.26, 98,438.43 and 39,501.12 is: 54,511.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,332.26 : 98,438.43 = 39,501.12 : x
  2. Step 2: Convert to fraction form
    71,332.26/98,438.43 = 39,501.12/x
  3. Step 3: Cross multiply
    71,332.26x = 98,438.43 × 39,501.12
  4. Step 4: Simplify right side
    71,332.26x = 3,888,428,236.04
  5. Step 5: Solve for x
    x = 3,888,428,236.04/71,332.26
  6. Step 6: Final answer
    x = 54,511.50

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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.