Home / 71,327.96-98,433.06-39,498.92

Finding the Fourth Proportional to 71,327.96, 98,433.06 and 39,498.92

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Solution

The fourth proportional to 71,327.96, 98,433.06 and 39,498.92 is: 54,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327.96 : 98,433.06 = 39,498.92 : x
  2. Step 2: Convert to fraction form
    71,327.96/98,433.06 = 39,498.92/x
  3. Step 3: Cross multiply
    71,327.96x = 98,433.06 × 39,498.92
  4. Step 4: Simplify right side
    71,327.96x = 3,887,999,562.30
  5. Step 5: Solve for x
    x = 3,887,999,562.30/71,327.96
  6. Step 6: Final answer
    x = 54,508.77

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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.