Home / 87,591.40-131,214.30-52,426.60

Finding the Fourth Proportional to 87,591.40, 131,214.30 and 52,426.60

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Solution

The fourth proportional to 87,591.40, 131,214.30 and 52,426.60 is: 78,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,591.40 : 131,214.30 = 52,426.60 : x
  2. Step 2: Convert to fraction form
    87,591.40/131,214.30 = 52,426.60/x
  3. Step 3: Cross multiply
    87,591.40x = 131,214.30 × 52,426.60
  4. Step 4: Simplify right side
    87,591.40x = 6,879,119,620.38
  5. Step 5: Solve for x
    x = 6,879,119,620.38/87,591.40
  6. Step 6: Final answer
    x = 78,536.47

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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.