Home / 86,729.96-130,115.64-27,565.73

Finding the Fourth Proportional to 86,729.96, 130,115.64 and 27,565.73

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Solution

The fourth proportional to 86,729.96, 130,115.64 and 27,565.73 is: 41,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,729.96 : 130,115.64 = 27,565.73 : x
  2. Step 2: Convert to fraction form
    86,729.96/130,115.64 = 27,565.73/x
  3. Step 3: Cross multiply
    86,729.96x = 130,115.64 × 27,565.73
  4. Step 4: Simplify right side
    86,729.96x = 3,586,732,601.02
  5. Step 5: Solve for x
    x = 3,586,732,601.02/86,729.96
  6. Step 6: Final answer
    x = 41,355.17

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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.