Home / 86,507.29-119,380.08-48,781.54

Finding the Fourth Proportional to 86,507.29, 119,380.08 and 48,781.54

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Solution

The fourth proportional to 86,507.29, 119,380.08 and 48,781.54 is: 67,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,507.29 : 119,380.08 = 48,781.54 : x
  2. Step 2: Convert to fraction form
    86,507.29/119,380.08 = 48,781.54/x
  3. Step 3: Cross multiply
    86,507.29x = 119,380.08 × 48,781.54
  4. Step 4: Simplify right side
    86,507.29x = 5,823,544,205.48
  5. Step 5: Solve for x
    x = 5,823,544,205.48/86,507.29
  6. Step 6: Final answer
    x = 67,318.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.