Home / 87,527.79-131,298.57-43,130.34

Finding the Fourth Proportional to 87,527.79, 131,298.57 and 43,130.34

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Solution

The fourth proportional to 87,527.79, 131,298.57 and 43,130.34 is: 64,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,527.79 : 131,298.57 = 43,130.34 : x
  2. Step 2: Convert to fraction form
    87,527.79/131,298.57 = 43,130.34/x
  3. Step 3: Cross multiply
    87,527.79x = 131,298.57 × 43,130.34
  4. Step 4: Simplify right side
    87,527.79x = 5,662,951,965.61
  5. Step 5: Solve for x
    x = 5,662,951,965.61/87,527.79
  6. Step 6: Final answer
    x = 64,698.90

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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.