Home / 76,198.27-105,204.99-47,561.55

Finding the Fourth Proportional to 76,198.27, 105,204.99 and 47,561.55

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Solution

The fourth proportional to 76,198.27, 105,204.99 and 47,561.55 is: 65,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,198.27 : 105,204.99 = 47,561.55 : x
  2. Step 2: Convert to fraction form
    76,198.27/105,204.99 = 47,561.55/x
  3. Step 3: Cross multiply
    76,198.27x = 105,204.99 × 47,561.55
  4. Step 4: Simplify right side
    76,198.27x = 5,003,712,392.13
  5. Step 5: Solve for x
    x = 5,003,712,392.13/76,198.27
  6. Step 6: Final answer
    x = 65,667.01

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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.