Home / 89,442.88-123,423.14-49,156.20

Finding the Fourth Proportional to 89,442.88, 123,423.14 and 49,156.20

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Solution

The fourth proportional to 89,442.88, 123,423.14 and 49,156.20 is: 67,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,442.88 : 123,423.14 = 49,156.20 : x
  2. Step 2: Convert to fraction form
    89,442.88/123,423.14 = 49,156.20/x
  3. Step 3: Cross multiply
    89,442.88x = 123,423.14 × 49,156.20
  4. Step 4: Simplify right side
    89,442.88x = 6,067,012,554.47
  5. Step 5: Solve for x
    x = 6,067,012,554.47/89,442.88
  6. Step 6: Final answer
    x = 67,831.14

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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.