Home / 89,727.40-134,429.10-52,256.80

Finding the Fourth Proportional to 89,727.40, 134,429.10 and 52,256.80

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Solution

The fourth proportional to 89,727.40, 134,429.10 and 52,256.80 is: 78,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,727.40 : 134,429.10 = 52,256.80 : x
  2. Step 2: Convert to fraction form
    89,727.40/134,429.10 = 52,256.80/x
  3. Step 3: Cross multiply
    89,727.40x = 134,429.10 × 52,256.80
  4. Step 4: Simplify right side
    89,727.40x = 7,024,834,592.88
  5. Step 5: Solve for x
    x = 7,024,834,592.88/89,727.40
  6. Step 6: Final answer
    x = 78,290.85

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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.