Home / 69,132.91-103,761.18-35,421.93

Finding the Fourth Proportional to 69,132.91, 103,761.18 and 35,421.93

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Solution

The fourth proportional to 69,132.91, 103,761.18 and 35,421.93 is: 53,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,132.91 : 103,761.18 = 35,421.93 : x
  2. Step 2: Convert to fraction form
    69,132.91/103,761.18 = 35,421.93/x
  3. Step 3: Cross multiply
    69,132.91x = 103,761.18 × 35,421.93
  4. Step 4: Simplify right side
    69,132.91x = 3,675,420,558.76
  5. Step 5: Solve for x
    x = 3,675,420,558.76/69,132.91
  6. Step 6: Final answer
    x = 53,164.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.