Home / 123,965.80-185,947.06-30,472.36

Finding the Fourth Proportional to 123,965.80, 185,947.06 and 30,472.36

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Solution

The fourth proportional to 123,965.80, 185,947.06 and 30,472.36 is: 45,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,965.80 : 185,947.06 = 30,472.36 : x
  2. Step 2: Convert to fraction form
    123,965.80/185,947.06 = 30,472.36/x
  3. Step 3: Cross multiply
    123,965.80x = 185,947.06 × 30,472.36
  4. Step 4: Simplify right side
    123,965.80x = 5,666,245,753.26
  5. Step 5: Solve for x
    x = 5,666,245,753.26/123,965.80
  6. Step 6: Final answer
    x = 45,708.14

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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.