Home / 85,217.28-127,826.22-26,052.72

Finding the Fourth Proportional to 85,217.28, 127,826.22 and 26,052.72

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Solution

The fourth proportional to 85,217.28, 127,826.22 and 26,052.72 is: 39,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217.28 : 127,826.22 = 26,052.72 : x
  2. Step 2: Convert to fraction form
    85,217.28/127,826.22 = 26,052.72/x
  3. Step 3: Cross multiply
    85,217.28x = 127,826.22 × 26,052.72
  4. Step 4: Simplify right side
    85,217.28x = 3,330,220,718.32
  5. Step 5: Solve for x
    x = 3,330,220,718.32/85,217.28
  6. Step 6: Final answer
    x = 39,079.17

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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.