Home / 83,588.21-125,377.89-27,420.92

Finding the Fourth Proportional to 83,588.21, 125,377.89 and 27,420.92

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Solution

The fourth proportional to 83,588.21, 125,377.89 and 27,420.92 is: 41,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,588.21 : 125,377.89 = 27,420.92 : x
  2. Step 2: Convert to fraction form
    83,588.21/125,377.89 = 27,420.92/x
  3. Step 3: Cross multiply
    83,588.21x = 125,377.89 × 27,420.92
  4. Step 4: Simplify right side
    83,588.21x = 3,437,977,091.46
  5. Step 5: Solve for x
    x = 3,437,977,091.46/83,588.21
  6. Step 6: Final answer
    x = 41,129.93

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1.5x scale

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.