Home / 84,271.27-126,425.13-25,111.70

Finding the Fourth Proportional to 84,271.27, 126,425.13 and 25,111.70

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Solution

The fourth proportional to 84,271.27, 126,425.13 and 25,111.70 is: 37,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,271.27 : 126,425.13 = 25,111.70 : x
  2. Step 2: Convert to fraction form
    84,271.27/126,425.13 = 25,111.70/x
  3. Step 3: Cross multiply
    84,271.27x = 126,425.13 × 25,111.70
  4. Step 4: Simplify right side
    84,271.27x = 3,174,750,253.08
  5. Step 5: Solve for x
    x = 3,174,750,253.08/84,271.27
  6. Step 6: Final answer
    x = 37,672.99

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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.