Home / 121,060.32-181,590.62-54,488.04

Finding the Fourth Proportional to 121,060.32, 181,590.62 and 54,488.04

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Solution

The fourth proportional to 121,060.32, 181,590.62 and 54,488.04 is: 81,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,060.32 : 181,590.62 = 54,488.04 : x
  2. Step 2: Convert to fraction form
    121,060.32/181,590.62 = 54,488.04/x
  3. Step 3: Cross multiply
    121,060.32x = 181,590.62 × 54,488.04
  4. Step 4: Simplify right side
    121,060.32x = 9,894,516,693.74
  5. Step 5: Solve for x
    x = 9,894,516,693.74/121,060.32
  6. Step 6: Final answer
    x = 81,732.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.