Home / 78,834.12-108,791.28-44,841.84

Finding the Fourth Proportional to 78,834.12, 108,791.28 and 44,841.84

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Solution

The fourth proportional to 78,834.12, 108,791.28 and 44,841.84 is: 61,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,834.12 : 108,791.28 = 44,841.84 : x
  2. Step 2: Convert to fraction form
    78,834.12/108,791.28 = 44,841.84/x
  3. Step 3: Cross multiply
    78,834.12x = 108,791.28 × 44,841.84
  4. Step 4: Simplify right side
    78,834.12x = 4,878,401,171.16
  5. Step 5: Solve for x
    x = 4,878,401,171.16/78,834.12
  6. Step 6: Final answer
    x = 61,881.85

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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.