Home / 87,444.30-120,669.57-51,645.90

Finding the Fourth Proportional to 87,444.30, 120,669.57 and 51,645.90

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Solution

The fourth proportional to 87,444.30, 120,669.57 and 51,645.90 is: 71,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,444.30 : 120,669.57 = 51,645.90 : x
  2. Step 2: Convert to fraction form
    87,444.30/120,669.57 = 51,645.90/x
  3. Step 3: Cross multiply
    87,444.30x = 120,669.57 × 51,645.90
  4. Step 4: Simplify right side
    87,444.30x = 6,232,088,545.26
  5. Step 5: Solve for x
    x = 6,232,088,545.26/87,444.30
  6. Step 6: Final answer
    x = 71,269.24

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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.