Home / 68,607.32-94,666.68-40,318.47

Finding the Fourth Proportional to 68,607.32, 94,666.68 and 40,318.47

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Solution

The fourth proportional to 68,607.32, 94,666.68 and 40,318.47 is: 55,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,607.32 : 94,666.68 = 40,318.47 : x
  2. Step 2: Convert to fraction form
    68,607.32/94,666.68 = 40,318.47/x
  3. Step 3: Cross multiply
    68,607.32x = 94,666.68 × 40,318.47
  4. Step 4: Simplify right side
    68,607.32x = 3,816,815,697.58
  5. Step 5: Solve for x
    x = 3,816,815,697.58/68,607.32
  6. Step 6: Final answer
    x = 55,632.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.