Home / 99,284.20-137,010.66-54,571.24

Finding the Fourth Proportional to 99,284.20, 137,010.66 and 54,571.24

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Solution

The fourth proportional to 99,284.20, 137,010.66 and 54,571.24 is: 75,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,284.20 : 137,010.66 = 54,571.24 : x
  2. Step 2: Convert to fraction form
    99,284.20/137,010.66 = 54,571.24/x
  3. Step 3: Cross multiply
    99,284.20x = 137,010.66 × 54,571.24
  4. Step 4: Simplify right side
    99,284.20x = 7,476,841,609.42
  5. Step 5: Solve for x
    x = 7,476,841,609.42/99,284.20
  6. Step 6: Final answer
    x = 75,307.47

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1.5x scale

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.