Home / 99,119.97-136,723.34-58,805.19

Finding the Fourth Proportional to 99,119.97, 136,723.34 and 58,805.19

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Solution

The fourth proportional to 99,119.97, 136,723.34 and 58,805.19 is: 81,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,119.97 : 136,723.34 = 58,805.19 : x
  2. Step 2: Convert to fraction form
    99,119.97/136,723.34 = 58,805.19/x
  3. Step 3: Cross multiply
    99,119.97x = 136,723.34 × 58,805.19
  4. Step 4: Simplify right side
    99,119.97x = 8,040,041,986.13
  5. Step 5: Solve for x
    x = 8,040,041,986.13/99,119.97
  6. Step 6: Final answer
    x = 81,114.25

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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.