Home / 84,726.68-127,090.91-25,562.86

Finding the Fourth Proportional to 84,726.68, 127,090.91 and 25,562.86

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Solution

The fourth proportional to 84,726.68, 127,090.91 and 25,562.86 is: 38,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726.68 : 127,090.91 = 25,562.86 : x
  2. Step 2: Convert to fraction form
    84,726.68/127,090.91 = 25,562.86/x
  3. Step 3: Cross multiply
    84,726.68x = 127,090.91 × 25,562.86
  4. Step 4: Simplify right side
    84,726.68x = 3,248,806,885.78
  5. Step 5: Solve for x
    x = 3,248,806,885.78/84,726.68
  6. Step 6: Final answer
    x = 38,344.56

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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.