Home / 75,422.16-112,998.24-50,386.38

Finding the Fourth Proportional to 75,422.16, 112,998.24 and 50,386.38

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Solution

The fourth proportional to 75,422.16, 112,998.24 and 50,386.38 is: 75,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,422.16 : 112,998.24 = 50,386.38 : x
  2. Step 2: Convert to fraction form
    75,422.16/112,998.24 = 50,386.38/x
  3. Step 3: Cross multiply
    75,422.16x = 112,998.24 × 50,386.38
  4. Step 4: Simplify right side
    75,422.16x = 5,693,572,259.97
  5. Step 5: Solve for x
    x = 5,693,572,259.97/75,422.16
  6. Step 6: Final answer
    x = 75,489.38

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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.