Home / 68,533.32-102,729.96-38,888.52

Finding the Fourth Proportional to 68,533.32, 102,729.96 and 38,888.52

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Solution

The fourth proportional to 68,533.32, 102,729.96 and 38,888.52 is: 58,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,533.32 : 102,729.96 = 38,888.52 : x
  2. Step 2: Convert to fraction form
    68,533.32/102,729.96 = 38,888.52/x
  3. Step 3: Cross multiply
    68,533.32x = 102,729.96 × 38,888.52
  4. Step 4: Simplify right side
    68,533.32x = 3,995,016,104.06
  5. Step 5: Solve for x
    x = 3,995,016,104.06/68,533.32
  6. Step 6: Final answer
    x = 58,293.05

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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.