Home / 89,929.88-124,101.72-49,642.60

Finding the Fourth Proportional to 89,929.88, 124,101.72 and 49,642.60

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Solution

The fourth proportional to 89,929.88, 124,101.72 and 49,642.60 is: 68,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,929.88 : 124,101.72 = 49,642.60 : x
  2. Step 2: Convert to fraction form
    89,929.88/124,101.72 = 49,642.60/x
  3. Step 3: Cross multiply
    89,929.88x = 124,101.72 × 49,642.60
  4. Step 4: Simplify right side
    89,929.88x = 6,160,732,045.27
  5. Step 5: Solve for x
    x = 6,160,732,045.27/89,929.88
  6. Step 6: Final answer
    x = 68,505.95

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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.