Home / 84,672.45-127,008.71-25,508.13

Finding the Fourth Proportional to 84,672.45, 127,008.71 and 25,508.13

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Solution

The fourth proportional to 84,672.45, 127,008.71 and 25,508.13 is: 38,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,672.45 : 127,008.71 = 25,508.13 : x
  2. Step 2: Convert to fraction form
    84,672.45/127,008.71 = 25,508.13/x
  3. Step 3: Cross multiply
    84,672.45x = 127,008.71 × 25,508.13
  4. Step 4: Simplify right side
    84,672.45x = 3,239,754,558.27
  5. Step 5: Solve for x
    x = 3,239,754,558.27/84,672.45
  6. Step 6: Final answer
    x = 38,262.20

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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.