Home / 75,097.22-103,660.04-43,278.80

Finding the Fourth Proportional to 75,097.22, 103,660.04 and 43,278.80

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Solution

The fourth proportional to 75,097.22, 103,660.04 and 43,278.80 is: 59,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,097.22 : 103,660.04 = 43,278.80 : x
  2. Step 2: Convert to fraction form
    75,097.22/103,660.04 = 43,278.80/x
  3. Step 3: Cross multiply
    75,097.22x = 103,660.04 × 43,278.80
  4. Step 4: Simplify right side
    75,097.22x = 4,486,282,139.15
  5. Step 5: Solve for x
    x = 4,486,282,139.15/75,097.22
  6. Step 6: Final answer
    x = 59,739.66

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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.