Home / 79,727.76-110,020.23-43,917

Finding the Fourth Proportional to 79,727.76, 110,020.23 and 43,917

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Solution

The fourth proportional to 79,727.76, 110,020.23 and 43,917 is: 60,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,727.76 : 110,020.23 = 43,917 : x
  2. Step 2: Convert to fraction form
    79,727.76/110,020.23 = 43,917/x
  3. Step 3: Cross multiply
    79,727.76x = 110,020.23 × 43,917
  4. Step 4: Simplify right side
    79,727.76x = 4,831,758,440.91
  5. Step 5: Solve for x
    x = 4,831,758,440.91/79,727.76
  6. Step 6: Final answer
    x = 60,603.21

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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.