Home / 78,316.32-108,077.04-44,326.56

Finding the Fourth Proportional to 78,316.32, 108,077.04 and 44,326.56

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Solution

The fourth proportional to 78,316.32, 108,077.04 and 44,326.56 is: 61,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,316.32 : 108,077.04 = 44,326.56 : x
  2. Step 2: Convert to fraction form
    78,316.32/108,077.04 = 44,326.56/x
  3. Step 3: Cross multiply
    78,316.32x = 108,077.04 × 44,326.56
  4. Step 4: Simplify right side
    78,316.32x = 4,790,683,398.18
  5. Step 5: Solve for x
    x = 4,790,683,398.18/78,316.32
  6. Step 6: Final answer
    x = 61,170.95

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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.