Home / 89,763.74-123,872.29-48,928.35

Finding the Fourth Proportional to 89,763.74, 123,872.29 and 48,928.35

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Solution

The fourth proportional to 89,763.74, 123,872.29 and 48,928.35 is: 67,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,763.74 : 123,872.29 = 48,928.35 : x
  2. Step 2: Convert to fraction form
    89,763.74/123,872.29 = 48,928.35/x
  3. Step 3: Cross multiply
    89,763.74x = 123,872.29 × 48,928.35
  4. Step 4: Simplify right side
    89,763.74x = 6,060,867,102.62
  5. Step 5: Solve for x
    x = 6,060,867,102.62/89,763.74
  6. Step 6: Final answer
    x = 67,520.21

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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.