Home / 107,983.13-149,016.71-60,236.47

Finding the Fourth Proportional to 107,983.13, 149,016.71 and 60,236.47

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Solution

The fourth proportional to 107,983.13, 149,016.71 and 60,236.47 is: 83,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,983.13 : 149,016.71 = 60,236.47 : x
  2. Step 2: Convert to fraction form
    107,983.13/149,016.71 = 60,236.47/x
  3. Step 3: Cross multiply
    107,983.13x = 149,016.71 × 60,236.47
  4. Step 4: Simplify right side
    107,983.13x = 8,976,241,127.83
  5. Step 5: Solve for x
    x = 8,976,241,127.83/107,983.13
  6. Step 6: Final answer
    x = 83,126.33

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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.