Home / 89,061.19-122,901.66-48,773.90

Finding the Fourth Proportional to 89,061.19, 122,901.66 and 48,773.90

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Solution

The fourth proportional to 89,061.19, 122,901.66 and 48,773.90 is: 67,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,061.19 : 122,901.66 = 48,773.90 : x
  2. Step 2: Convert to fraction form
    89,061.19/122,901.66 = 48,773.90/x
  3. Step 3: Cross multiply
    89,061.19x = 122,901.66 × 48,773.90
  4. Step 4: Simplify right side
    89,061.19x = 5,994,393,581.93
  5. Step 5: Solve for x
    x = 5,994,393,581.93/89,061.19
  6. Step 6: Final answer
    x = 67,306.46

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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.