Home / 86,729.24-130,097.64-29,842.32

Finding the Fourth Proportional to 86,729.24, 130,097.64 and 29,842.32

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Solution

The fourth proportional to 86,729.24, 130,097.64 and 29,842.32 is: 44,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,729.24 : 130,097.64 = 29,842.32 : x
  2. Step 2: Convert to fraction form
    86,729.24/130,097.64 = 29,842.32/x
  3. Step 3: Cross multiply
    86,729.24x = 130,097.64 × 29,842.32
  4. Step 4: Simplify right side
    86,729.24x = 3,882,415,404.12
  5. Step 5: Solve for x
    x = 3,882,415,404.12/86,729.24
  6. Step 6: Final answer
    x = 44,764.78

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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.