Home / 75,140.30-103,693.83-41,149.10

Finding the Fourth Proportional to 75,140.30, 103,693.83 and 41,149.10

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Solution

The fourth proportional to 75,140.30, 103,693.83 and 41,149.10 is: 56,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140.30 : 103,693.83 = 41,149.10 : x
  2. Step 2: Convert to fraction form
    75,140.30/103,693.83 = 41,149.10/x
  3. Step 3: Cross multiply
    75,140.30x = 103,693.83 × 41,149.10
  4. Step 4: Simplify right side
    75,140.30x = 4,266,907,780.05
  5. Step 5: Solve for x
    x = 4,266,907,780.05/75,140.30
  6. Step 6: Final answer
    x = 56,785.88

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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.