Home / 99,282.88-136,999.92-58,991.15

Finding the Fourth Proportional to 99,282.88, 136,999.92 and 58,991.15

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Solution

The fourth proportional to 99,282.88, 136,999.92 and 58,991.15 is: 81,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,282.88 : 136,999.92 = 58,991.15 : x
  2. Step 2: Convert to fraction form
    99,282.88/136,999.92 = 58,991.15/x
  3. Step 3: Cross multiply
    99,282.88x = 136,999.92 × 58,991.15
  4. Step 4: Simplify right side
    99,282.88x = 8,081,783,394.42
  5. Step 5: Solve for x
    x = 8,081,783,394.42/99,282.88
  6. Step 6: Final answer
    x = 81,401.58

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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.