Home / 89,247.35-123,160.29-48,961.42

Finding the Fourth Proportional to 89,247.35, 123,160.29 and 48,961.42

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Solution

The fourth proportional to 89,247.35, 123,160.29 and 48,961.42 is: 67,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,247.35 : 123,160.29 = 48,961.42 : x
  2. Step 2: Convert to fraction form
    89,247.35/123,160.29 = 48,961.42/x
  3. Step 3: Cross multiply
    89,247.35x = 123,160.29 × 48,961.42
  4. Step 4: Simplify right side
    89,247.35x = 6,030,102,686.01
  5. Step 5: Solve for x
    x = 6,030,102,686.01/89,247.35
  6. Step 6: Final answer
    x = 67,566.18

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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.