Home / 61,145.24-91,708.40-25,125.34

Finding the Fourth Proportional to 61,145.24, 91,708.40 and 25,125.34

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Solution

The fourth proportional to 61,145.24, 91,708.40 and 25,125.34 is: 37,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,145.24 : 91,708.40 = 25,125.34 : x
  2. Step 2: Convert to fraction form
    61,145.24/91,708.40 = 25,125.34/x
  3. Step 3: Cross multiply
    61,145.24x = 91,708.40 × 25,125.34
  4. Step 4: Simplify right side
    61,145.24x = 2,304,204,730.86
  5. Step 5: Solve for x
    x = 2,304,204,730.86/61,145.24
  6. Step 6: Final answer
    x = 37,684.12

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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.