Home / 78,974.76-118,444.68-22,802.65

Finding the Fourth Proportional to 78,974.76, 118,444.68 and 22,802.65

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Solution

The fourth proportional to 78,974.76, 118,444.68 and 22,802.65 is: 34,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,974.76 : 118,444.68 = 22,802.65 : x
  2. Step 2: Convert to fraction form
    78,974.76/118,444.68 = 22,802.65/x
  3. Step 3: Cross multiply
    78,974.76x = 118,444.68 × 22,802.65
  4. Step 4: Simplify right side
    78,974.76x = 2,700,852,286.29
  5. Step 5: Solve for x
    x = 2,700,852,286.29/78,974.76
  6. Step 6: Final answer
    x = 34,198.93

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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.