Home / 80,867.98-121,322.16-30,952

Finding the Fourth Proportional to 80,867.98, 121,322.16 and 30,952

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Solution

The fourth proportional to 80,867.98, 121,322.16 and 30,952 is: 46,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,867.98 : 121,322.16 = 30,952 : x
  2. Step 2: Convert to fraction form
    80,867.98/121,322.16 = 30,952/x
  3. Step 3: Cross multiply
    80,867.98x = 121,322.16 × 30,952
  4. Step 4: Simplify right side
    80,867.98x = 3,755,163,496.32
  5. Step 5: Solve for x
    x = 3,755,163,496.32/80,867.98
  6. Step 6: Final answer
    x = 46,435.73

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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.