Home / 84,310.37-126,428.65-25,134.25

Finding the Fourth Proportional to 84,310.37, 126,428.65 and 25,134.25

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Solution

The fourth proportional to 84,310.37, 126,428.65 and 25,134.25 is: 37,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,310.37 : 126,428.65 = 25,134.25 : x
  2. Step 2: Convert to fraction form
    84,310.37/126,428.65 = 25,134.25/x
  3. Step 3: Cross multiply
    84,310.37x = 126,428.65 × 25,134.25
  4. Step 4: Simplify right side
    84,310.37x = 3,177,689,154.41
  5. Step 5: Solve for x
    x = 3,177,689,154.41/84,310.37
  6. Step 6: Final answer
    x = 37,690.37

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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.