Home / 103,601.22-155,517.05-53,667.96

Finding the Fourth Proportional to 103,601.22, 155,517.05 and 53,667.96

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Solution

The fourth proportional to 103,601.22, 155,517.05 and 53,667.96 is: 80,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,601.22 : 155,517.05 = 53,667.96 : x
  2. Step 2: Convert to fraction form
    103,601.22/155,517.05 = 53,667.96/x
  3. Step 3: Cross multiply
    103,601.22x = 155,517.05 × 53,667.96
  4. Step 4: Simplify right side
    103,601.22x = 8,346,282,818.72
  5. Step 5: Solve for x
    x = 8,346,282,818.72/103,601.22
  6. Step 6: Final answer
    x = 80,561.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.