Home / 87,723.36-131,585.04-28,565.04

Finding the Fourth Proportional to 87,723.36, 131,585.04 and 28,565.04

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Solution

The fourth proportional to 87,723.36, 131,585.04 and 28,565.04 is: 42,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,723.36 : 131,585.04 = 28,565.04 : x
  2. Step 2: Convert to fraction form
    87,723.36/131,585.04 = 28,565.04/x
  3. Step 3: Cross multiply
    87,723.36x = 131,585.04 × 28,565.04
  4. Step 4: Simplify right side
    87,723.36x = 3,758,731,931.00
  5. Step 5: Solve for x
    x = 3,758,731,931.00/87,723.36
  6. Step 6: Final answer
    x = 42,847.56

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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.