Home / 107,604.40-148,507.68-59,879.20

Finding the Fourth Proportional to 107,604.40, 148,507.68 and 59,879.20

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Solution

The fourth proportional to 107,604.40, 148,507.68 and 59,879.20 is: 82,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,604.40 : 148,507.68 = 59,879.20 : x
  2. Step 2: Convert to fraction form
    107,604.40/148,507.68 = 59,879.20/x
  3. Step 3: Cross multiply
    107,604.40x = 148,507.68 × 59,879.20
  4. Step 4: Simplify right side
    107,604.40x = 8,892,521,072.26
  5. Step 5: Solve for x
    x = 8,892,521,072.26/107,604.40
  6. Step 6: Final answer
    x = 82,640.87

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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.