Home / 74,248.48-111,382.80-21,657.52

Finding the Fourth Proportional to 74,248.48, 111,382.80 and 21,657.52

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Solution

The fourth proportional to 74,248.48, 111,382.80 and 21,657.52 is: 32,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,248.48 : 111,382.80 = 21,657.52 : x
  2. Step 2: Convert to fraction form
    74,248.48/111,382.80 = 21,657.52/x
  3. Step 3: Cross multiply
    74,248.48x = 111,382.80 × 21,657.52
  4. Step 4: Simplify right side
    74,248.48x = 2,412,275,218.66
  5. Step 5: Solve for x
    x = 2,412,275,218.66/74,248.48
  6. Step 6: Final answer
    x = 32,489.22

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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.