Home / 58,255.68-80,133.12-51,049.92

Finding the Fourth Proportional to 58,255.68, 80,133.12 and 51,049.92

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Solution

The fourth proportional to 58,255.68, 80,133.12 and 51,049.92 is: 70,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,255.68 : 80,133.12 = 51,049.92 : x
  2. Step 2: Convert to fraction form
    58,255.68/80,133.12 = 51,049.92/x
  3. Step 3: Cross multiply
    58,255.68x = 80,133.12 × 51,049.92
  4. Step 4: Simplify right side
    58,255.68x = 4,090,789,365.35
  5. Step 5: Solve for x
    x = 4,090,789,365.35/58,255.68
  6. Step 6: Final answer
    x = 70,221.30

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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.