Home / 79,801.20-110,170.62-52,980.35

Finding the Fourth Proportional to 79,801.20, 110,170.62 and 52,980.35

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Solution

The fourth proportional to 79,801.20, 110,170.62 and 52,980.35 is: 73,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,801.20 : 110,170.62 = 52,980.35 : x
  2. Step 2: Convert to fraction form
    79,801.20/110,170.62 = 52,980.35/x
  3. Step 3: Cross multiply
    79,801.20x = 110,170.62 × 52,980.35
  4. Step 4: Simplify right side
    79,801.20x = 5,836,877,456.46
  5. Step 5: Solve for x
    x = 5,836,877,456.46/79,801.20
  6. Step 6: Final answer
    x = 73,142.73

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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.