Home / 123,949.36-185,966.16-45,069.92

Finding the Fourth Proportional to 123,949.36, 185,966.16 and 45,069.92

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Solution

The fourth proportional to 123,949.36, 185,966.16 and 45,069.92 is: 67,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,949.36 : 185,966.16 = 45,069.92 : x
  2. Step 2: Convert to fraction form
    123,949.36/185,966.16 = 45,069.92/x
  3. Step 3: Cross multiply
    123,949.36x = 185,966.16 × 45,069.92
  4. Step 4: Simplify right side
    123,949.36x = 8,381,479,953.91
  5. Step 5: Solve for x
    x = 8,381,479,953.91/123,949.36
  6. Step 6: Final answer
    x = 67,620.20

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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.