Home / 89,962.25-124,148.16-49,126.50

Finding the Fourth Proportional to 89,962.25, 124,148.16 and 49,126.50

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Solution

The fourth proportional to 89,962.25, 124,148.16 and 49,126.50 is: 67,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,962.25 : 124,148.16 = 49,126.50 : x
  2. Step 2: Convert to fraction form
    89,962.25/124,148.16 = 49,126.50/x
  3. Step 3: Cross multiply
    89,962.25x = 124,148.16 × 49,126.50
  4. Step 4: Simplify right side
    89,962.25x = 6,098,964,582.24
  5. Step 5: Solve for x
    x = 6,098,964,582.24/89,962.25
  6. Step 6: Final answer
    x = 67,794.71

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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.