Home / 89,423.24-123,404.44-49,137.88

Finding the Fourth Proportional to 89,423.24, 123,404.44 and 49,137.88

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Solution

The fourth proportional to 89,423.24, 123,404.44 and 49,137.88 is: 67,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,423.24 : 123,404.44 = 49,137.88 : x
  2. Step 2: Convert to fraction form
    89,423.24/123,404.44 = 49,137.88/x
  3. Step 3: Cross multiply
    89,423.24x = 123,404.44 × 49,137.88
  4. Step 4: Simplify right side
    89,423.24x = 6,063,832,564.19
  5. Step 5: Solve for x
    x = 6,063,832,564.19/89,423.24
  6. Step 6: Final answer
    x = 67,810.48

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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.