Home / 75,140.22-103,695.43-41,150.58

Finding the Fourth Proportional to 75,140.22, 103,695.43 and 41,150.58

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Solution

The fourth proportional to 75,140.22, 103,695.43 and 41,150.58 is: 56,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140.22 : 103,695.43 = 41,150.58 : x
  2. Step 2: Convert to fraction form
    75,140.22/103,695.43 = 41,150.58/x
  3. Step 3: Cross multiply
    75,140.22x = 103,695.43 × 41,150.58
  4. Step 4: Simplify right side
    75,140.22x = 4,267,126,569.37
  5. Step 5: Solve for x
    x = 4,267,126,569.37/75,140.22
  6. Step 6: Final answer
    x = 56,788.85

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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.