Home / 87,662.40-131,493.60-56,519.52

Finding the Fourth Proportional to 87,662.40, 131,493.60 and 56,519.52

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Solution

The fourth proportional to 87,662.40, 131,493.60 and 56,519.52 is: 84,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,662.40 : 131,493.60 = 56,519.52 : x
  2. Step 2: Convert to fraction form
    87,662.40/131,493.60 = 56,519.52/x
  3. Step 3: Cross multiply
    87,662.40x = 131,493.60 × 56,519.52
  4. Step 4: Simplify right side
    87,662.40x = 7,431,955,155.07
  5. Step 5: Solve for x
    x = 7,431,955,155.07/87,662.40
  6. Step 6: Final answer
    x = 84,779.28

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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.