Home / 71,273.27-98,356.55-39,443.92

Finding the Fourth Proportional to 71,273.27, 98,356.55 and 39,443.92

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Solution

The fourth proportional to 71,273.27, 98,356.55 and 39,443.92 is: 54,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,273.27 : 98,356.55 = 39,443.92 : x
  2. Step 2: Convert to fraction form
    71,273.27/98,356.55 = 39,443.92/x
  3. Step 3: Cross multiply
    71,273.27x = 98,356.55 × 39,443.92
  4. Step 4: Simplify right side
    71,273.27x = 3,879,567,446.57
  5. Step 5: Solve for x
    x = 3,879,567,446.57/71,273.27
  6. Step 6: Final answer
    x = 54,432.29

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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.