Home / 75,134.54-112,712.80-22,548.18

Finding the Fourth Proportional to 75,134.54, 112,712.80 and 22,548.18

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Solution

The fourth proportional to 75,134.54, 112,712.80 and 22,548.18 is: 33,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.54 : 112,712.80 = 22,548.18 : x
  2. Step 2: Convert to fraction form
    75,134.54/112,712.80 = 22,548.18/x
  3. Step 3: Cross multiply
    75,134.54x = 112,712.80 × 22,548.18
  4. Step 4: Simplify right side
    75,134.54x = 2,541,468,502.70
  5. Step 5: Solve for x
    x = 2,541,468,502.70/75,134.54
  6. Step 6: Final answer
    x = 33,825.57

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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.