Home / 78,320.62-108,084.07-44,329.11

Finding the Fourth Proportional to 78,320.62, 108,084.07 and 44,329.11

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Solution

The fourth proportional to 78,320.62, 108,084.07 and 44,329.11 is: 61,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,320.62 : 108,084.07 = 44,329.11 : x
  2. Step 2: Convert to fraction form
    78,320.62/108,084.07 = 44,329.11/x
  3. Step 3: Cross multiply
    78,320.62x = 108,084.07 × 44,329.11
  4. Step 4: Simplify right side
    78,320.62x = 4,791,270,628.28
  5. Step 5: Solve for x
    x = 4,791,270,628.28/78,320.62
  6. Step 6: Final answer
    x = 61,175.09

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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.