Home / 107,023.28-160,522.16-28,143.65

Finding the Fourth Proportional to 107,023.28, 160,522.16 and 28,143.65

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Solution

The fourth proportional to 107,023.28, 160,522.16 and 28,143.65 is: 42,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,023.28 : 160,522.16 = 28,143.65 : x
  2. Step 2: Convert to fraction form
    107,023.28/160,522.16 = 28,143.65/x
  3. Step 3: Cross multiply
    107,023.28x = 160,522.16 × 28,143.65
  4. Step 4: Simplify right side
    107,023.28x = 4,517,679,748.87
  5. Step 5: Solve for x
    x = 4,517,679,748.87/107,023.28
  6. Step 6: Final answer
    x = 42,212.12

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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.