Home / 90,614.61-125,039.03-52,910.73

Finding the Fourth Proportional to 90,614.61, 125,039.03 and 52,910.73

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Solution

The fourth proportional to 90,614.61, 125,039.03 and 52,910.73 is: 73,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,614.61 : 125,039.03 = 52,910.73 : x
  2. Step 2: Convert to fraction form
    90,614.61/125,039.03 = 52,910.73/x
  3. Step 3: Cross multiply
    90,614.61x = 125,039.03 × 52,910.73
  4. Step 4: Simplify right side
    90,614.61x = 6,615,906,091.24
  5. Step 5: Solve for x
    x = 6,615,906,091.24/90,614.61
  6. Step 6: Final answer
    x = 73,011.47

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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.