Home / 86,829.66-130,254-27,651.42

Finding the Fourth Proportional to 86,829.66, 130,254 and 27,651.42

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Solution

The fourth proportional to 86,829.66, 130,254 and 27,651.42 is: 41,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,829.66 : 130,254 = 27,651.42 : x
  2. Step 2: Convert to fraction form
    86,829.66/130,254 = 27,651.42/x
  3. Step 3: Cross multiply
    86,829.66x = 130,254 × 27,651.42
  4. Step 4: Simplify right side
    86,829.66x = 3,601,708,060.68
  5. Step 5: Solve for x
    x = 3,601,708,060.68/86,829.66
  6. Step 6: Final answer
    x = 41,480.16

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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.