Home / 92,139.48-127,162.80-51,863.04

Finding the Fourth Proportional to 92,139.48, 127,162.80 and 51,863.04

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Solution

The fourth proportional to 92,139.48, 127,162.80 and 51,863.04 is: 71,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,139.48 : 127,162.80 = 51,863.04 : x
  2. Step 2: Convert to fraction form
    92,139.48/127,162.80 = 51,863.04/x
  3. Step 3: Cross multiply
    92,139.48x = 127,162.80 × 51,863.04
  4. Step 4: Simplify right side
    92,139.48x = 6,595,049,382.91
  5. Step 5: Solve for x
    x = 6,595,049,382.91/92,139.48
  6. Step 6: Final answer
    x = 71,576.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.