Home / 87,451.40-131,322.90-57,999.80

Finding the Fourth Proportional to 87,451.40, 131,322.90 and 57,999.80

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Solution

The fourth proportional to 87,451.40, 131,322.90 and 57,999.80 is: 87,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,451.40 : 131,322.90 = 57,999.80 : x
  2. Step 2: Convert to fraction form
    87,451.40/131,322.90 = 57,999.80/x
  3. Step 3: Cross multiply
    87,451.40x = 131,322.90 × 57,999.80
  4. Step 4: Simplify right side
    87,451.40x = 7,616,701,935.42
  5. Step 5: Solve for x
    x = 7,616,701,935.42/87,451.40
  6. Step 6: Final answer
    x = 87,096.40

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1.5x scale

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.