Home / 75,242.20-112,864.26-51,862.36

Finding the Fourth Proportional to 75,242.20, 112,864.26 and 51,862.36

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Solution

The fourth proportional to 75,242.20, 112,864.26 and 51,862.36 is: 77,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,242.20 : 112,864.26 = 51,862.36 : x
  2. Step 2: Convert to fraction form
    75,242.20/112,864.26 = 51,862.36/x
  3. Step 3: Cross multiply
    75,242.20x = 112,864.26 × 51,862.36
  4. Step 4: Simplify right side
    75,242.20x = 5,853,406,883.25
  5. Step 5: Solve for x
    x = 5,853,406,883.25/75,242.20
  6. Step 6: Final answer
    x = 77,794.20

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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.