Home / 78,725.66-108,635.97-44,275.53

Finding the Fourth Proportional to 78,725.66, 108,635.97 and 44,275.53

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Solution

The fourth proportional to 78,725.66, 108,635.97 and 44,275.53 is: 61,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725.66 : 108,635.97 = 44,275.53 : x
  2. Step 2: Convert to fraction form
    78,725.66/108,635.97 = 44,275.53/x
  3. Step 3: Cross multiply
    78,725.66x = 108,635.97 × 44,275.53
  4. Step 4: Simplify right side
    78,725.66x = 4,809,915,148.81
  5. Step 5: Solve for x
    x = 4,809,915,148.81/78,725.66
  6. Step 6: Final answer
    x = 61,097.18

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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.