Home / 100,948.68-151,397.51-29,857.41

Finding the Fourth Proportional to 100,948.68, 151,397.51 and 29,857.41

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Solution

The fourth proportional to 100,948.68, 151,397.51 and 29,857.41 is: 44,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,948.68 : 151,397.51 = 29,857.41 : x
  2. Step 2: Convert to fraction form
    100,948.68/151,397.51 = 29,857.41/x
  3. Step 3: Cross multiply
    100,948.68x = 151,397.51 × 29,857.41
  4. Step 4: Simplify right side
    100,948.68x = 4,520,337,379.76
  5. Step 5: Solve for x
    x = 4,520,337,379.76/100,948.68
  6. Step 6: Final answer
    x = 44,778.57

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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.