Home / 40,743.06-61,106.28-11,158.62

Finding the Fourth Proportional to 40,743.06, 61,106.28 and 11,158.62

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Solution

The fourth proportional to 40,743.06, 61,106.28 and 11,158.62 is: 16,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.06 : 61,106.28 = 11,158.62 : x
  2. Step 2: Convert to fraction form
    40,743.06/61,106.28 = 11,158.62/x
  3. Step 3: Cross multiply
    40,743.06x = 61,106.28 × 11,158.62
  4. Step 4: Simplify right side
    40,743.06x = 681,861,758.13
  5. Step 5: Solve for x
    x = 681,861,758.13/40,743.06
  6. Step 6: Final answer
    x = 16,735.65

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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.