Home / 53,151.30-73,349.28-29,278.62

Finding the Fourth Proportional to 53,151.30, 73,349.28 and 29,278.62

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Solution

The fourth proportional to 53,151.30, 73,349.28 and 29,278.62 is: 40,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,151.30 : 73,349.28 = 29,278.62 : x
  2. Step 2: Convert to fraction form
    53,151.30/73,349.28 = 29,278.62/x
  3. Step 3: Cross multiply
    53,151.30x = 73,349.28 × 29,278.62
  4. Step 4: Simplify right side
    53,151.30x = 2,147,565,696.39
  5. Step 5: Solve for x
    x = 2,147,565,696.39/53,151.30
  6. Step 6: Final answer
    x = 40,404.76

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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.