Home / 123,864.24-185,796.36-53,742

Finding the Fourth Proportional to 123,864.24, 185,796.36 and 53,742

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Solution

The fourth proportional to 123,864.24, 185,796.36 and 53,742 is: 80,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,864.24 : 185,796.36 = 53,742 : x
  2. Step 2: Convert to fraction form
    123,864.24/185,796.36 = 53,742/x
  3. Step 3: Cross multiply
    123,864.24x = 185,796.36 × 53,742
  4. Step 4: Simplify right side
    123,864.24x = 9,985,067,979.12
  5. Step 5: Solve for x
    x = 9,985,067,979.12/123,864.24
  6. Step 6: Final answer
    x = 80,613.00

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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.