Home / 99,119.96-136,723.34-58,805.18

Finding the Fourth Proportional to 99,119.96, 136,723.34 and 58,805.18

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Solution

The fourth proportional to 99,119.96, 136,723.34 and 58,805.18 is: 81,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,119.96 : 136,723.34 = 58,805.18 : x
  2. Step 2: Convert to fraction form
    99,119.96/136,723.34 = 58,805.18/x
  3. Step 3: Cross multiply
    99,119.96x = 136,723.34 × 58,805.18
  4. Step 4: Simplify right side
    99,119.96x = 8,040,040,618.90
  5. Step 5: Solve for x
    x = 8,040,040,618.90/99,119.96
  6. Step 6: Final answer
    x = 81,114.24

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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.