Home / 75,155.22-103,732.92-43,343.28

Finding the Fourth Proportional to 75,155.22, 103,732.92 and 43,343.28

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Solution

The fourth proportional to 75,155.22, 103,732.92 and 43,343.28 is: 59,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,155.22 : 103,732.92 = 43,343.28 : x
  2. Step 2: Convert to fraction form
    75,155.22/103,732.92 = 43,343.28/x
  3. Step 3: Cross multiply
    75,155.22x = 103,732.92 × 43,343.28
  4. Step 4: Simplify right side
    75,155.22x = 4,496,124,996.78
  5. Step 5: Solve for x
    x = 4,496,124,996.78/75,155.22
  6. Step 6: Final answer
    x = 59,824.52

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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.