Home / 78,929.85-108,925.38-44,480.15

Finding the Fourth Proportional to 78,929.85, 108,925.38 and 44,480.15

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Solution

The fourth proportional to 78,929.85, 108,925.38 and 44,480.15 is: 61,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,929.85 : 108,925.38 = 44,480.15 : x
  2. Step 2: Convert to fraction form
    78,929.85/108,925.38 = 44,480.15/x
  3. Step 3: Cross multiply
    78,929.85x = 108,925.38 × 44,480.15
  4. Step 4: Simplify right side
    78,929.85x = 4,845,016,696.58
  5. Step 5: Solve for x
    x = 4,845,016,696.58/78,929.85
  6. Step 6: Final answer
    x = 61,383.83

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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.