Home / 84,877.92-127,318.50-25,713.36

Finding the Fourth Proportional to 84,877.92, 127,318.50 and 25,713.36

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Solution

The fourth proportional to 84,877.92, 127,318.50 and 25,713.36 is: 38,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,877.92 : 127,318.50 = 25,713.36 : x
  2. Step 2: Convert to fraction form
    84,877.92/127,318.50 = 25,713.36/x
  3. Step 3: Cross multiply
    84,877.92x = 127,318.50 × 25,713.36
  4. Step 4: Simplify right side
    84,877.92x = 3,273,786,425.16
  5. Step 5: Solve for x
    x = 3,273,786,425.16/84,877.92
  6. Step 6: Final answer
    x = 38,570.53

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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.