Home / 95,031.80-142,579.37-31,858.17

Finding the Fourth Proportional to 95,031.80, 142,579.37 and 31,858.17

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Solution

The fourth proportional to 95,031.80, 142,579.37 and 31,858.17 is: 47,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,031.80 : 142,579.37 = 31,858.17 : x
  2. Step 2: Convert to fraction form
    95,031.80/142,579.37 = 31,858.17/x
  3. Step 3: Cross multiply
    95,031.80x = 142,579.37 × 31,858.17
  4. Step 4: Simplify right side
    95,031.80x = 4,542,317,807.95
  5. Step 5: Solve for x
    x = 4,542,317,807.95/95,031.80
  6. Step 6: Final answer
    x = 47,797.87

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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.