Home / 75,127.03-103,698.36-43,317.10

Finding the Fourth Proportional to 75,127.03, 103,698.36 and 43,317.10

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Solution

The fourth proportional to 75,127.03, 103,698.36 and 43,317.10 is: 59,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.03 : 103,698.36 = 43,317.10 : x
  2. Step 2: Convert to fraction form
    75,127.03/103,698.36 = 43,317.10/x
  3. Step 3: Cross multiply
    75,127.03x = 103,698.36 × 43,317.10
  4. Step 4: Simplify right side
    75,127.03x = 4,491,912,229.96
  5. Step 5: Solve for x
    x = 4,491,912,229.96/75,127.03
  6. Step 6: Final answer
    x = 59,790.89

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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.