Home / 89,928.84-124,102.24-49,641.88

Finding the Fourth Proportional to 89,928.84, 124,102.24 and 49,641.88

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Solution

The fourth proportional to 89,928.84, 124,102.24 and 49,641.88 is: 68,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,928.84 : 124,102.24 = 49,641.88 : x
  2. Step 2: Convert to fraction form
    89,928.84/124,102.24 = 49,641.88/x
  3. Step 3: Cross multiply
    89,928.84x = 124,102.24 × 49,641.88
  4. Step 4: Simplify right side
    89,928.84x = 6,160,668,505.81
  5. Step 5: Solve for x
    x = 6,160,668,505.81/89,928.84
  6. Step 6: Final answer
    x = 68,506.04

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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.