Home / 92,227.62-127,278.84-56,406.38

Finding the Fourth Proportional to 92,227.62, 127,278.84 and 56,406.38

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Solution

The fourth proportional to 92,227.62, 127,278.84 and 56,406.38 is: 77,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,227.62 : 127,278.84 = 56,406.38 : x
  2. Step 2: Convert to fraction form
    92,227.62/127,278.84 = 56,406.38/x
  3. Step 3: Cross multiply
    92,227.62x = 127,278.84 × 56,406.38
  4. Step 4: Simplify right side
    92,227.62x = 7,179,337,978.61
  5. Step 5: Solve for x
    x = 7,179,337,978.61/92,227.62
  6. Step 6: Final answer
    x = 77,843.69

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1.5x scale

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.