Home / 87,441.60-130,965.06-61,263.18

Finding the Fourth Proportional to 87,441.60, 130,965.06 and 61,263.18

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Solution

The fourth proportional to 87,441.60, 130,965.06 and 61,263.18 is: 91,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,441.60 : 130,965.06 = 61,263.18 : x
  2. Step 2: Convert to fraction form
    87,441.60/130,965.06 = 61,263.18/x
  3. Step 3: Cross multiply
    87,441.60x = 130,965.06 × 61,263.18
  4. Step 4: Simplify right side
    87,441.60x = 8,023,336,044.49
  5. Step 5: Solve for x
    x = 8,023,336,044.49/87,441.60
  6. Step 6: Final answer
    x = 91,756.51

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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.