Home / 89,943.62-124,126.35-49,663.10

Finding the Fourth Proportional to 89,943.62, 124,126.35 and 49,663.10

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Solution

The fourth proportional to 89,943.62, 124,126.35 and 49,663.10 is: 68,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,943.62 : 124,126.35 = 49,663.10 : x
  2. Step 2: Convert to fraction form
    89,943.62/124,126.35 = 49,663.10/x
  3. Step 3: Cross multiply
    89,943.62x = 124,126.35 × 49,663.10
  4. Step 4: Simplify right side
    89,943.62x = 6,164,499,332.69
  5. Step 5: Solve for x
    x = 6,164,499,332.69/89,943.62
  6. Step 6: Final answer
    x = 68,537.37

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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.