Home / 79,790.15-110,079.51-45,786.35

Finding the Fourth Proportional to 79,790.15, 110,079.51 and 45,786.35

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Solution

The fourth proportional to 79,790.15, 110,079.51 and 45,786.35 is: 63,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,790.15 : 110,079.51 = 45,786.35 : x
  2. Step 2: Convert to fraction form
    79,790.15/110,079.51 = 45,786.35/x
  3. Step 3: Cross multiply
    79,790.15x = 110,079.51 × 45,786.35
  4. Step 4: Simplify right side
    79,790.15x = 5,040,138,422.29
  5. Step 5: Solve for x
    x = 5,040,138,422.29/79,790.15
  6. Step 6: Final answer
    x = 63,167.43

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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.