Home / 99,115.38-136,717.01-58,800.60

Finding the Fourth Proportional to 99,115.38, 136,717.01 and 58,800.60

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Solution

The fourth proportional to 99,115.38, 136,717.01 and 58,800.60 is: 81,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,115.38 : 136,717.01 = 58,800.60 : x
  2. Step 2: Convert to fraction form
    99,115.38/136,717.01 = 58,800.60/x
  3. Step 3: Cross multiply
    99,115.38x = 136,717.01 × 58,800.60
  4. Step 4: Simplify right side
    99,115.38x = 8,039,041,240.62
  5. Step 5: Solve for x
    x = 8,039,041,240.62/99,115.38
  6. Step 6: Final answer
    x = 81,107.91

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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.