Home / 71,401.68-107,166.77-38,150.18

Finding the Fourth Proportional to 71,401.68, 107,166.77 and 38,150.18

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Solution

The fourth proportional to 71,401.68, 107,166.77 and 38,150.18 is: 57,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,401.68 : 107,166.77 = 38,150.18 : x
  2. Step 2: Convert to fraction form
    71,401.68/107,166.77 = 38,150.18/x
  3. Step 3: Cross multiply
    71,401.68x = 107,166.77 × 38,150.18
  4. Step 4: Simplify right side
    71,401.68x = 4,088,430,838.93
  5. Step 5: Solve for x
    x = 4,088,430,838.93/71,401.68
  6. Step 6: Final answer
    x = 57,259.59

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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.