Home / 99,021.44-136,649.92-58,755.12

Finding the Fourth Proportional to 99,021.44, 136,649.92 and 58,755.12

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Solution

The fourth proportional to 99,021.44, 136,649.92 and 58,755.12 is: 81,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,021.44 : 136,649.92 = 58,755.12 : x
  2. Step 2: Convert to fraction form
    99,021.44/136,649.92 = 58,755.12/x
  3. Step 3: Cross multiply
    99,021.44x = 136,649.92 × 58,755.12
  4. Step 4: Simplify right side
    99,021.44x = 8,028,882,447.59
  5. Step 5: Solve for x
    x = 8,028,882,447.59/99,021.44
  6. Step 6: Final answer
    x = 81,082.26

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1.5x scale

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.