Home / 89,192.96-123,083.52-48,905.66

Finding the Fourth Proportional to 89,192.96, 123,083.52 and 48,905.66

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Solution

The fourth proportional to 89,192.96, 123,083.52 and 48,905.66 is: 67,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,192.96 : 123,083.52 = 48,905.66 : x
  2. Step 2: Convert to fraction form
    89,192.96/123,083.52 = 48,905.66/x
  3. Step 3: Cross multiply
    89,192.96x = 123,083.52 × 48,905.66
  4. Step 4: Simplify right side
    89,192.96x = 6,019,480,780.72
  5. Step 5: Solve for x
    x = 6,019,480,780.72/89,192.96
  6. Step 6: Final answer
    x = 67,488.29

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1.5x scale

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.