Home / 78,818.31-108,772.38-44,829.90

Finding the Fourth Proportional to 78,818.31, 108,772.38 and 44,829.90

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Solution

The fourth proportional to 78,818.31, 108,772.38 and 44,829.90 is: 61,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,818.31 : 108,772.38 = 44,829.90 : x
  2. Step 2: Convert to fraction form
    78,818.31/108,772.38 = 44,829.90/x
  3. Step 3: Cross multiply
    78,818.31x = 108,772.38 × 44,829.90
  4. Step 4: Simplify right side
    78,818.31x = 4,876,254,918.16
  5. Step 5: Solve for x
    x = 4,876,254,918.16/78,818.31
  6. Step 6: Final answer
    x = 61,867.03

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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.