Home / 89,737.79-123,836.60-48,902.29

Finding the Fourth Proportional to 89,737.79, 123,836.60 and 48,902.29

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Solution

The fourth proportional to 89,737.79, 123,836.60 and 48,902.29 is: 67,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,737.79 : 123,836.60 = 48,902.29 : x
  2. Step 2: Convert to fraction form
    89,737.79/123,836.60 = 48,902.29/x
  3. Step 3: Cross multiply
    89,737.79x = 123,836.60 × 48,902.29
  4. Step 4: Simplify right side
    89,737.79x = 6,055,892,950.48
  5. Step 5: Solve for x
    x = 6,055,892,950.48/89,737.79
  6. Step 6: Final answer
    x = 67,484.31

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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.