Home / 86,540.46-119,427.42-50,756.28

Finding the Fourth Proportional to 86,540.46, 119,427.42 and 50,756.28

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Solution

The fourth proportional to 86,540.46, 119,427.42 and 50,756.28 is: 70,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,540.46 : 119,427.42 = 50,756.28 : x
  2. Step 2: Convert to fraction form
    86,540.46/119,427.42 = 50,756.28/x
  3. Step 3: Cross multiply
    86,540.46x = 119,427.42 × 50,756.28
  4. Step 4: Simplify right side
    86,540.46x = 6,061,691,569.20
  5. Step 5: Solve for x
    x = 6,061,691,569.20/86,540.46
  6. Step 6: Final answer
    x = 70,044.60

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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.