Home / 114,987.24-172,422.42-52,604.28

Finding the Fourth Proportional to 114,987.24, 172,422.42 and 52,604.28

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Solution

The fourth proportional to 114,987.24, 172,422.42 and 52,604.28 is: 78,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,987.24 : 172,422.42 = 52,604.28 : x
  2. Step 2: Convert to fraction form
    114,987.24/172,422.42 = 52,604.28/x
  3. Step 3: Cross multiply
    114,987.24x = 172,422.42 × 52,604.28
  4. Step 4: Simplify right side
    114,987.24x = 9,070,157,259.96
  5. Step 5: Solve for x
    x = 9,070,157,259.96/114,987.24
  6. Step 6: Final answer
    x = 78,879.68

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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.