Home / 78,713.10-108,627.02-44,727.36

Finding the Fourth Proportional to 78,713.10, 108,627.02 and 44,727.36

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Solution

The fourth proportional to 78,713.10, 108,627.02 and 44,727.36 is: 61,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,713.10 : 108,627.02 = 44,727.36 : x
  2. Step 2: Convert to fraction form
    78,713.10/108,627.02 = 44,727.36/x
  3. Step 3: Cross multiply
    78,713.10x = 108,627.02 × 44,727.36
  4. Step 4: Simplify right side
    78,713.10x = 4,858,599,773.36
  5. Step 5: Solve for x
    x = 4,858,599,773.36/78,713.10
  6. Step 6: Final answer
    x = 61,725.42

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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.