Home / 79,872.04-110,222.89-43,575.49

Finding the Fourth Proportional to 79,872.04, 110,222.89 and 43,575.49

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Solution

The fourth proportional to 79,872.04, 110,222.89 and 43,575.49 is: 60,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,872.04 : 110,222.89 = 43,575.49 : x
  2. Step 2: Convert to fraction form
    79,872.04/110,222.89 = 43,575.49/x
  3. Step 3: Cross multiply
    79,872.04x = 110,222.89 × 43,575.49
  4. Step 4: Simplify right side
    79,872.04x = 4,803,016,440.97
  5. Step 5: Solve for x
    x = 4,803,016,440.97/79,872.04
  6. Step 6: Final answer
    x = 60,133.89

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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.