Home / 75,139.26-103,695.40-41,605.26

Finding the Fourth Proportional to 75,139.26, 103,695.40 and 41,605.26

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Solution

The fourth proportional to 75,139.26, 103,695.40 and 41,605.26 is: 57,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139.26 : 103,695.40 = 41,605.26 : x
  2. Step 2: Convert to fraction form
    75,139.26/103,695.40 = 41,605.26/x
  3. Step 3: Cross multiply
    75,139.26x = 103,695.40 × 41,605.26
  4. Step 4: Simplify right side
    75,139.26x = 4,314,274,077.80
  5. Step 5: Solve for x
    x = 4,314,274,077.80/75,139.26
  6. Step 6: Final answer
    x = 57,417.04

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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.