Home / 67,708.68-101,587.32-30,265.62

Finding the Fourth Proportional to 67,708.68, 101,587.32 and 30,265.62

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Solution

The fourth proportional to 67,708.68, 101,587.32 and 30,265.62 is: 45,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,708.68 : 101,587.32 = 30,265.62 : x
  2. Step 2: Convert to fraction form
    67,708.68/101,587.32 = 30,265.62/x
  3. Step 3: Cross multiply
    67,708.68x = 101,587.32 × 30,265.62
  4. Step 4: Simplify right side
    67,708.68x = 3,074,603,223.94
  5. Step 5: Solve for x
    x = 3,074,603,223.94/67,708.68
  6. Step 6: Final answer
    x = 45,409.29

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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.