Home / 90,748.68-136,129.50-24,188.46

Finding the Fourth Proportional to 90,748.68, 136,129.50 and 24,188.46

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Solution

The fourth proportional to 90,748.68, 136,129.50 and 24,188.46 is: 36,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,748.68 : 136,129.50 = 24,188.46 : x
  2. Step 2: Convert to fraction form
    90,748.68/136,129.50 = 24,188.46/x
  3. Step 3: Cross multiply
    90,748.68x = 136,129.50 × 24,188.46
  4. Step 4: Simplify right side
    90,748.68x = 3,292,762,965.57
  5. Step 5: Solve for x
    x = 3,292,762,965.57/90,748.68
  6. Step 6: Final answer
    x = 36,284.42

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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.