Home / 89,928.80-124,102.61-49,641.69

Finding the Fourth Proportional to 89,928.80, 124,102.61 and 49,641.69

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Solution

The fourth proportional to 89,928.80, 124,102.61 and 49,641.69 is: 68,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,928.80 : 124,102.61 = 49,641.69 : x
  2. Step 2: Convert to fraction form
    89,928.80/124,102.61 = 49,641.69/x
  3. Step 3: Cross multiply
    89,928.80x = 124,102.61 × 49,641.69
  4. Step 4: Simplify right side
    89,928.80x = 6,160,663,976.38
  5. Step 5: Solve for x
    x = 6,160,663,976.38/89,928.80
  6. Step 6: Final answer
    x = 68,506.02

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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.