Home / 79,675.28-109,955.86-43,864.92

Finding the Fourth Proportional to 79,675.28, 109,955.86 and 43,864.92

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Solution

The fourth proportional to 79,675.28, 109,955.86 and 43,864.92 is: 60,535.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,675.28 : 109,955.86 = 43,864.92 : x
  2. Step 2: Convert to fraction form
    79,675.28/109,955.86 = 43,864.92/x
  3. Step 3: Cross multiply
    79,675.28x = 109,955.86 × 43,864.92
  4. Step 4: Simplify right side
    79,675.28x = 4,823,205,002.43
  5. Step 5: Solve for x
    x = 4,823,205,002.43/79,675.28
  6. Step 6: Final answer
    x = 60,535.78

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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.