Home / 96,996.88-145,530.86-40,851.12

Finding the Fourth Proportional to 96,996.88, 145,530.86 and 40,851.12

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Solution

The fourth proportional to 96,996.88, 145,530.86 and 40,851.12 is: 61,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,996.88 : 145,530.86 = 40,851.12 : x
  2. Step 2: Convert to fraction form
    96,996.88/145,530.86 = 40,851.12/x
  3. Step 3: Cross multiply
    96,996.88x = 145,530.86 × 40,851.12
  4. Step 4: Simplify right side
    96,996.88x = 5,945,098,625.56
  5. Step 5: Solve for x
    x = 5,945,098,625.56/96,996.88
  6. Step 6: Final answer
    x = 61,291.65

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1.5x scale

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.