Home / 110,977.52-153,131.10-63,231.80

Finding the Fourth Proportional to 110,977.52, 153,131.10 and 63,231.80

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Solution

The fourth proportional to 110,977.52, 153,131.10 and 63,231.80 is: 87,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,977.52 : 153,131.10 = 63,231.80 : x
  2. Step 2: Convert to fraction form
    110,977.52/153,131.10 = 63,231.80/x
  3. Step 3: Cross multiply
    110,977.52x = 153,131.10 × 63,231.80
  4. Step 4: Simplify right side
    110,977.52x = 9,682,755,088.98
  5. Step 5: Solve for x
    x = 9,682,755,088.98/110,977.52
  6. Step 6: Final answer
    x = 87,249.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.