Home / 92,519.73-127,678.32-54,279.95

Finding the Fourth Proportional to 92,519.73, 127,678.32 and 54,279.95

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Solution

The fourth proportional to 92,519.73, 127,678.32 and 54,279.95 is: 74,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,519.73 : 127,678.32 = 54,279.95 : x
  2. Step 2: Convert to fraction form
    92,519.73/127,678.32 = 54,279.95/x
  3. Step 3: Cross multiply
    92,519.73x = 127,678.32 × 54,279.95
  4. Step 4: Simplify right side
    92,519.73x = 6,930,372,187.29
  5. Step 5: Solve for x
    x = 6,930,372,187.29/92,519.73
  6. Step 6: Final answer
    x = 74,906.97

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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.