Home / 89,506.40-123,515.50-49,217.76

Finding the Fourth Proportional to 89,506.40, 123,515.50 and 49,217.76

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Solution

The fourth proportional to 89,506.40, 123,515.50 and 49,217.76 is: 67,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,506.40 : 123,515.50 = 49,217.76 : x
  2. Step 2: Convert to fraction form
    89,506.40/123,515.50 = 49,217.76/x
  3. Step 3: Cross multiply
    89,506.40x = 123,515.50 × 49,217.76
  4. Step 4: Simplify right side
    89,506.40x = 6,079,156,235.28
  5. Step 5: Solve for x
    x = 6,079,156,235.28/89,506.40
  6. Step 6: Final answer
    x = 67,918.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.