Home / 67,808.13-101,712.20-26,255.13

Finding the Fourth Proportional to 67,808.13, 101,712.20 and 26,255.13

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Solution

The fourth proportional to 67,808.13, 101,712.20 and 26,255.13 is: 39,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,808.13 : 101,712.20 = 26,255.13 : x
  2. Step 2: Convert to fraction form
    67,808.13/101,712.20 = 26,255.13/x
  3. Step 3: Cross multiply
    67,808.13x = 101,712.20 × 26,255.13
  4. Step 4: Simplify right side
    67,808.13x = 2,670,467,033.59
  5. Step 5: Solve for x
    x = 2,670,467,033.59/67,808.13
  6. Step 6: Final answer
    x = 39,382.70

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1.5x scale

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.