Home / 92,371.24-127,471.62-72,248.68

Finding the Fourth Proportional to 92,371.24, 127,471.62 and 72,248.68

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Solution

The fourth proportional to 92,371.24, 127,471.62 and 72,248.68 is: 99,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,371.24 : 127,471.62 = 72,248.68 : x
  2. Step 2: Convert to fraction form
    92,371.24/127,471.62 = 72,248.68/x
  3. Step 3: Cross multiply
    92,371.24x = 127,471.62 × 72,248.68
  4. Step 4: Simplify right side
    92,371.24x = 9,209,656,282.46
  5. Step 5: Solve for x
    x = 9,209,656,282.46/92,371.24
  6. Step 6: Final answer
    x = 99,702.64

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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.