Home / 84,602.24-126,919.38-34,005.21

Finding the Fourth Proportional to 84,602.24, 126,919.38 and 34,005.21

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Solution

The fourth proportional to 84,602.24, 126,919.38 and 34,005.21 is: 51,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,602.24 : 126,919.38 = 34,005.21 : x
  2. Step 2: Convert to fraction form
    84,602.24/126,919.38 = 34,005.21/x
  3. Step 3: Cross multiply
    84,602.24x = 126,919.38 × 34,005.21
  4. Step 4: Simplify right side
    84,602.24x = 4,315,920,169.97
  5. Step 5: Solve for x
    x = 4,315,920,169.97/84,602.24
  6. Step 6: Final answer
    x = 51,014.25

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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.