Home / 75,142.23-112,695.05-25,209.37

Finding the Fourth Proportional to 75,142.23, 112,695.05 and 25,209.37

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Solution

The fourth proportional to 75,142.23, 112,695.05 and 25,209.37 is: 37,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,142.23 : 112,695.05 = 25,209.37 : x
  2. Step 2: Convert to fraction form
    75,142.23/112,695.05 = 25,209.37/x
  3. Step 3: Cross multiply
    75,142.23x = 112,695.05 × 25,209.37
  4. Step 4: Simplify right side
    75,142.23x = 2,840,971,086.57
  5. Step 5: Solve for x
    x = 2,840,971,086.57/75,142.23
  6. Step 6: Final answer
    x = 37,807.92

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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.