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Finding the Fourth Proportional to 87,410.80, 120,595.80 and 51,582.88

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Solution

The fourth proportional to 87,410.80, 120,595.80 and 51,582.88 is: 71,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410.80 : 120,595.80 = 51,582.88 : x
  2. Step 2: Convert to fraction form
    87,410.80/120,595.80 = 51,582.88/x
  3. Step 3: Cross multiply
    87,410.80x = 120,595.80 × 51,582.88
  4. Step 4: Simplify right side
    87,410.80x = 6,220,678,679.90
  5. Step 5: Solve for x
    x = 6,220,678,679.90/87,410.80
  6. Step 6: Final answer
    x = 71,166.02

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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.