Home / 90,685.28-136,027.76-24,125.41

Finding the Fourth Proportional to 90,685.28, 136,027.76 and 24,125.41

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Solution

The fourth proportional to 90,685.28, 136,027.76 and 24,125.41 is: 36,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,685.28 : 136,027.76 = 24,125.41 : x
  2. Step 2: Convert to fraction form
    90,685.28/136,027.76 = 24,125.41/x
  3. Step 3: Cross multiply
    90,685.28x = 136,027.76 × 24,125.41
  4. Step 4: Simplify right side
    90,685.28x = 3,281,725,020.69
  5. Step 5: Solve for x
    x = 3,281,725,020.69/90,685.28
  6. Step 6: Final answer
    x = 36,188.07

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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.