Home / 74,228.29-111,366.88-49,366.15

Finding the Fourth Proportional to 74,228.29, 111,366.88 and 49,366.15

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Solution

The fourth proportional to 74,228.29, 111,366.88 and 49,366.15 is: 74,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,228.29 : 111,366.88 = 49,366.15 : x
  2. Step 2: Convert to fraction form
    74,228.29/111,366.88 = 49,366.15/x
  3. Step 3: Cross multiply
    74,228.29x = 111,366.88 × 49,366.15
  4. Step 4: Simplify right side
    74,228.29x = 5,497,753,701.28
  5. Step 5: Solve for x
    x = 5,497,753,701.28/74,228.29
  6. Step 6: Final answer
    x = 74,065.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.