Home / 86,083.16-129,132.20-23,753.68

Finding the Fourth Proportional to 86,083.16, 129,132.20 and 23,753.68

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Solution

The fourth proportional to 86,083.16, 129,132.20 and 23,753.68 is: 35,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,083.16 : 129,132.20 = 23,753.68 : x
  2. Step 2: Convert to fraction form
    86,083.16/129,132.20 = 23,753.68/x
  3. Step 3: Cross multiply
    86,083.16x = 129,132.20 × 23,753.68
  4. Step 4: Simplify right side
    86,083.16x = 3,067,364,956.50
  5. Step 5: Solve for x
    x = 3,067,364,956.50/86,083.16
  6. Step 6: Final answer
    x = 35,632.58

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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.