Home / 86,240.13-129,360.20-23,910.63

Finding the Fourth Proportional to 86,240.13, 129,360.20 and 23,910.63

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Solution

The fourth proportional to 86,240.13, 129,360.20 and 23,910.63 is: 35,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,240.13 : 129,360.20 = 23,910.63 : x
  2. Step 2: Convert to fraction form
    86,240.13/129,360.20 = 23,910.63/x
  3. Step 3: Cross multiply
    86,240.13x = 129,360.20 × 23,910.63
  4. Step 4: Simplify right side
    86,240.13x = 3,093,083,878.93
  5. Step 5: Solve for x
    x = 3,093,083,878.93/86,240.13
  6. Step 6: Final answer
    x = 35,865.95

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Similar ratio
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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.