Home / 75,310.39-103,843.12-48,050.00

Finding the Fourth Proportional to 75,310.39, 103,843.12 and 48,050.00

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Solution

The fourth proportional to 75,310.39, 103,843.12 and 48,050.00 is: 66,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,310.39 : 103,843.12 = 48,050.00 : x
  2. Step 2: Convert to fraction form
    75,310.39/103,843.12 = 48,050.00/x
  3. Step 3: Cross multiply
    75,310.39x = 103,843.12 × 48,050.00
  4. Step 4: Simplify right side
    75,310.39x = 4,989,661,276.66
  5. Step 5: Solve for x
    x = 4,989,661,276.66/75,310.39
  6. Step 6: Final answer
    x = 66,254.62

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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.