Home / 84,484.27-126,621.01-73,929.21

Finding the Fourth Proportional to 84,484.27, 126,621.01 and 73,929.21

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Solution

The fourth proportional to 84,484.27, 126,621.01 and 73,929.21 is: 110,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,484.27 : 126,621.01 = 73,929.21 : x
  2. Step 2: Convert to fraction form
    84,484.27/126,621.01 = 73,929.21/x
  3. Step 3: Cross multiply
    84,484.27x = 126,621.01 × 73,929.21
  4. Step 4: Simplify right side
    84,484.27x = 9,360,991,238.70
  5. Step 5: Solve for x
    x = 9,360,991,238.70/84,484.27
  6. Step 6: Final answer
    x = 110,801.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.