Home / 71,329.06-98,432.89-39,497.27

Finding the Fourth Proportional to 71,329.06, 98,432.89 and 39,497.27

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Solution

The fourth proportional to 71,329.06, 98,432.89 and 39,497.27 is: 54,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,329.06 : 98,432.89 = 39,497.27 : x
  2. Step 2: Convert to fraction form
    71,329.06/98,432.89 = 39,497.27/x
  3. Step 3: Cross multiply
    71,329.06x = 98,432.89 × 39,497.27
  4. Step 4: Simplify right side
    71,329.06x = 3,887,830,235.72
  5. Step 5: Solve for x
    x = 3,887,830,235.72/71,329.06
  6. Step 6: Final answer
    x = 54,505.56

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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.