Home / 92,218.74-127,267.28-56,415.61

Finding the Fourth Proportional to 92,218.74, 127,267.28 and 56,415.61

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Solution

The fourth proportional to 92,218.74, 127,267.28 and 56,415.61 is: 77,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,218.74 : 127,267.28 = 56,415.61 : x
  2. Step 2: Convert to fraction form
    92,218.74/127,267.28 = 56,415.61/x
  3. Step 3: Cross multiply
    92,218.74x = 127,267.28 × 56,415.61
  4. Step 4: Simplify right side
    92,218.74x = 7,179,861,763.97
  5. Step 5: Solve for x
    x = 7,179,861,763.97/92,218.74
  6. Step 6: Final answer
    x = 77,856.86

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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.