Home / 78,319.26-108,080.70-44,785.26

Finding the Fourth Proportional to 78,319.26, 108,080.70 and 44,785.26

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Solution

The fourth proportional to 78,319.26, 108,080.70 and 44,785.26 is: 61,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,319.26 : 108,080.70 = 44,785.26 : x
  2. Step 2: Convert to fraction form
    78,319.26/108,080.70 = 44,785.26/x
  3. Step 3: Cross multiply
    78,319.26x = 108,080.70 × 44,785.26
  4. Step 4: Simplify right side
    78,319.26x = 4,840,422,250.48
  5. Step 5: Solve for x
    x = 4,840,422,250.48/78,319.26
  6. Step 6: Final answer
    x = 61,803.73

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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.