Home / 107,348.90-161,026.99-28,471.10

Finding the Fourth Proportional to 107,348.90, 161,026.99 and 28,471.10

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Solution

The fourth proportional to 107,348.90, 161,026.99 and 28,471.10 is: 42,707.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,348.90 : 161,026.99 = 28,471.10 : x
  2. Step 2: Convert to fraction form
    107,348.90/161,026.99 = 28,471.10/x
  3. Step 3: Cross multiply
    107,348.90x = 161,026.99 × 28,471.10
  4. Step 4: Simplify right side
    107,348.90x = 4,584,614,658.68
  5. Step 5: Solve for x
    x = 4,584,614,658.68/107,348.90
  6. Step 6: Final answer
    x = 42,707.61

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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.