Home / 123,977.79-185,967.97-49,116.24

Finding the Fourth Proportional to 123,977.79, 185,967.97 and 49,116.24

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Solution

The fourth proportional to 123,977.79, 185,967.97 and 49,116.24 is: 73,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,977.79 : 185,967.97 = 49,116.24 : x
  2. Step 2: Convert to fraction form
    123,977.79/185,967.97 = 49,116.24/x
  3. Step 3: Cross multiply
    123,977.79x = 185,967.97 × 49,116.24
  4. Step 4: Simplify right side
    123,977.79x = 9,134,047,324.04
  5. Step 5: Solve for x
    x = 9,134,047,324.04/123,977.79
  6. Step 6: Final answer
    x = 73,674.87

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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.