Home / 89,135.14-123,006.45-48,851.38

Finding the Fourth Proportional to 89,135.14, 123,006.45 and 48,851.38

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Solution

The fourth proportional to 89,135.14, 123,006.45 and 48,851.38 is: 67,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,135.14 : 123,006.45 = 48,851.38 : x
  2. Step 2: Convert to fraction form
    89,135.14/123,006.45 = 48,851.38/x
  3. Step 3: Cross multiply
    89,135.14x = 123,006.45 × 48,851.38
  4. Step 4: Simplify right side
    89,135.14x = 6,009,034,831.40
  5. Step 5: Solve for x
    x = 6,009,034,831.40/89,135.14
  6. Step 6: Final answer
    x = 67,414.88

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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.