Home / 92,229.12-127,280.91-56,407.88

Finding the Fourth Proportional to 92,229.12, 127,280.91 and 56,407.88

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Solution

The fourth proportional to 92,229.12, 127,280.91 and 56,407.88 is: 77,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,229.12 : 127,280.91 = 56,407.88 : x
  2. Step 2: Convert to fraction form
    92,229.12/127,280.91 = 56,407.88/x
  3. Step 3: Cross multiply
    92,229.12x = 127,280.91 × 56,407.88
  4. Step 4: Simplify right side
    92,229.12x = 7,179,645,661.17
  5. Step 5: Solve for x
    x = 7,179,645,661.17/92,229.12
  6. Step 6: Final answer
    x = 77,845.76

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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.