Home / 95,323.12-142,891.71-45,389.80

Finding the Fourth Proportional to 95,323.12, 142,891.71 and 45,389.80

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Solution

The fourth proportional to 95,323.12, 142,891.71 and 45,389.80 is: 68,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,323.12 : 142,891.71 = 45,389.80 : x
  2. Step 2: Convert to fraction form
    95,323.12/142,891.71 = 45,389.80/x
  3. Step 3: Cross multiply
    95,323.12x = 142,891.71 × 45,389.80
  4. Step 4: Simplify right side
    95,323.12x = 6,485,826,138.56
  5. Step 5: Solve for x
    x = 6,485,826,138.56/95,323.12
  6. Step 6: Final answer
    x = 68,040.43

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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.