Home / 95,591.33-143,406.12-53,531.21

Finding the Fourth Proportional to 95,591.33, 143,406.12 and 53,531.21

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Solution

The fourth proportional to 95,591.33, 143,406.12 and 53,531.21 is: 80,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,591.33 : 143,406.12 = 53,531.21 : x
  2. Step 2: Convert to fraction form
    95,591.33/143,406.12 = 53,531.21/x
  3. Step 3: Cross multiply
    95,591.33x = 143,406.12 × 53,531.21
  4. Step 4: Simplify right side
    95,591.33x = 7,676,702,407.97
  5. Step 5: Solve for x
    x = 7,676,702,407.97/95,591.33
  6. Step 6: Final answer
    x = 80,307.52

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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.