Home / 95,543.40-143,315.10-25,429.80

Finding the Fourth Proportional to 95,543.40, 143,315.10 and 25,429.80

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Solution

The fourth proportional to 95,543.40, 143,315.10 and 25,429.80 is: 38,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,543.40 : 143,315.10 = 25,429.80 : x
  2. Step 2: Convert to fraction form
    95,543.40/143,315.10 = 25,429.80/x
  3. Step 3: Cross multiply
    95,543.40x = 143,315.10 × 25,429.80
  4. Step 4: Simplify right side
    95,543.40x = 3,644,474,329.98
  5. Step 5: Solve for x
    x = 3,644,474,329.98/95,543.40
  6. Step 6: Final answer
    x = 38,144.70

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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.