Home / 103,695.90-155,536.53-59,183.16

Finding the Fourth Proportional to 103,695.90, 155,536.53 and 59,183.16

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Solution

The fourth proportional to 103,695.90, 155,536.53 and 59,183.16 is: 88,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695.90 : 155,536.53 = 59,183.16 : x
  2. Step 2: Convert to fraction form
    103,695.90/155,536.53 = 59,183.16/x
  3. Step 3: Cross multiply
    103,695.90x = 155,536.53 × 59,183.16
  4. Step 4: Simplify right side
    103,695.90x = 9,205,143,340.83
  5. Step 5: Solve for x
    x = 9,205,143,340.83/103,695.90
  6. Step 6: Final answer
    x = 88,770.56

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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.