Home / 94,112.76-129,826.62-76,227.96

Finding the Fourth Proportional to 94,112.76, 129,826.62 and 76,227.96

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Solution

The fourth proportional to 94,112.76, 129,826.62 and 76,227.96 is: 105,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,112.76 : 129,826.62 = 76,227.96 : x
  2. Step 2: Convert to fraction form
    94,112.76/129,826.62 = 76,227.96/x
  3. Step 3: Cross multiply
    94,112.76x = 129,826.62 × 76,227.96
  4. Step 4: Simplify right side
    94,112.76x = 9,896,418,396.30
  5. Step 5: Solve for x
    x = 9,896,418,396.30/94,112.76
  6. Step 6: Final answer
    x = 105,154.91

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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.