Home / 79,238.66-109,335.45-45,231.62

Finding the Fourth Proportional to 79,238.66, 109,335.45 and 45,231.62

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Solution

The fourth proportional to 79,238.66, 109,335.45 and 45,231.62 is: 62,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,238.66 : 109,335.45 = 45,231.62 : x
  2. Step 2: Convert to fraction form
    79,238.66/109,335.45 = 45,231.62/x
  3. Step 3: Cross multiply
    79,238.66x = 109,335.45 × 45,231.62
  4. Step 4: Simplify right side
    79,238.66x = 4,945,419,526.93
  5. Step 5: Solve for x
    x = 4,945,419,526.93/79,238.66
  6. Step 6: Final answer
    x = 62,411.70

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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.