Home / 71,302.97-98,402.73-39,471.86

Finding the Fourth Proportional to 71,302.97, 98,402.73 and 39,471.86

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Solution

The fourth proportional to 71,302.97, 98,402.73 and 39,471.86 is: 54,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,302.97 : 98,402.73 = 39,471.86 : x
  2. Step 2: Convert to fraction form
    71,302.97/98,402.73 = 39,471.86/x
  3. Step 3: Cross multiply
    71,302.97x = 98,402.73 × 39,471.86
  4. Step 4: Simplify right side
    71,302.97x = 3,884,138,782.18
  5. Step 5: Solve for x
    x = 3,884,138,782.18/71,302.97
  6. Step 6: Final answer
    x = 54,473.73

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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.