Home / 89,951.04-124,129.06-49,663.92

Finding the Fourth Proportional to 89,951.04, 124,129.06 and 49,663.92

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Solution

The fourth proportional to 89,951.04, 124,129.06 and 49,663.92 is: 68,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,951.04 : 124,129.06 = 49,663.92 : x
  2. Step 2: Convert to fraction form
    89,951.04/124,129.06 = 49,663.92/x
  3. Step 3: Cross multiply
    89,951.04x = 124,129.06 × 49,663.92
  4. Step 4: Simplify right side
    89,951.04x = 6,164,735,705.52
  5. Step 5: Solve for x
    x = 6,164,735,705.52/89,951.04
  6. Step 6: Final answer
    x = 68,534.35

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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.