Home / 86,265.78-119,052.20-52,277.24

Finding the Fourth Proportional to 86,265.78, 119,052.20 and 52,277.24

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Solution

The fourth proportional to 86,265.78, 119,052.20 and 52,277.24 is: 72,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,265.78 : 119,052.20 = 52,277.24 : x
  2. Step 2: Convert to fraction form
    86,265.78/119,052.20 = 52,277.24/x
  3. Step 3: Cross multiply
    86,265.78x = 119,052.20 × 52,277.24
  4. Step 4: Simplify right side
    86,265.78x = 6,223,719,575.28
  5. Step 5: Solve for x
    x = 6,223,719,575.28/86,265.78
  6. Step 6: Final answer
    x = 72,145.87

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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.