Home / 69,996.77-96,593.13-39,781.56

Finding the Fourth Proportional to 69,996.77, 96,593.13 and 39,781.56

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Solution

The fourth proportional to 69,996.77, 96,593.13 and 39,781.56 is: 54,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,996.77 : 96,593.13 = 39,781.56 : x
  2. Step 2: Convert to fraction form
    69,996.77/96,593.13 = 39,781.56/x
  3. Step 3: Cross multiply
    69,996.77x = 96,593.13 × 39,781.56
  4. Step 4: Simplify right side
    69,996.77x = 3,842,625,396.68
  5. Step 5: Solve for x
    x = 3,842,625,396.68/69,996.77
  6. Step 6: Final answer
    x = 54,897.18

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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.