Home / 84,504.08-126,693.84-51,216.32

Finding the Fourth Proportional to 84,504.08, 126,693.84 and 51,216.32

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Solution

The fourth proportional to 84,504.08, 126,693.84 and 51,216.32 is: 76,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,504.08 : 126,693.84 = 51,216.32 : x
  2. Step 2: Convert to fraction form
    84,504.08/126,693.84 = 51,216.32/x
  3. Step 3: Cross multiply
    84,504.08x = 126,693.84 × 51,216.32
  4. Step 4: Simplify right side
    84,504.08x = 6,488,792,251.47
  5. Step 5: Solve for x
    x = 6,488,792,251.47/84,504.08
  6. Step 6: Final answer
    x = 76,786.73

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1.5x scale

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.