Home / 73,547.20-110,320.80-29,151.10

Finding the Fourth Proportional to 73,547.20, 110,320.80 and 29,151.10

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Solution

The fourth proportional to 73,547.20, 110,320.80 and 29,151.10 is: 43,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,547.20 : 110,320.80 = 29,151.10 : x
  2. Step 2: Convert to fraction form
    73,547.20/110,320.80 = 29,151.10/x
  3. Step 3: Cross multiply
    73,547.20x = 110,320.80 × 29,151.10
  4. Step 4: Simplify right side
    73,547.20x = 3,215,972,672.88
  5. Step 5: Solve for x
    x = 3,215,972,672.88/73,547.20
  6. Step 6: Final answer
    x = 43,726.65

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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.