Home / 89,835.40-134,645.10-37,217.80

Finding the Fourth Proportional to 89,835.40, 134,645.10 and 37,217.80

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Solution

The fourth proportional to 89,835.40, 134,645.10 and 37,217.80 is: 55,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,835.40 : 134,645.10 = 37,217.80 : x
  2. Step 2: Convert to fraction form
    89,835.40/134,645.10 = 37,217.80/x
  3. Step 3: Cross multiply
    89,835.40x = 134,645.10 × 37,217.80
  4. Step 4: Simplify right side
    89,835.40x = 5,011,194,402.78
  5. Step 5: Solve for x
    x = 5,011,194,402.78/89,835.40
  6. Step 6: Final answer
    x = 55,781.96

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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.