Home / 87,320.80-130,808.40-59,327.20

Finding the Fourth Proportional to 87,320.80, 130,808.40 and 59,327.20

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Solution

The fourth proportional to 87,320.80, 130,808.40 and 59,327.20 is: 88,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,320.80 : 130,808.40 = 59,327.20 : x
  2. Step 2: Convert to fraction form
    87,320.80/130,808.40 = 59,327.20/x
  3. Step 3: Cross multiply
    87,320.80x = 130,808.40 × 59,327.20
  4. Step 4: Simplify right side
    87,320.80x = 7,760,496,108.48
  5. Step 5: Solve for x
    x = 7,760,496,108.48/87,320.80
  6. Step 6: Final answer
    x = 88,873.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.