Home / 66,850.05-92,249.89-40,007.32

Finding the Fourth Proportional to 66,850.05, 92,249.89 and 40,007.32

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Solution

The fourth proportional to 66,850.05, 92,249.89 and 40,007.32 is: 55,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,850.05 : 92,249.89 = 40,007.32 : x
  2. Step 2: Convert to fraction form
    66,850.05/92,249.89 = 40,007.32/x
  3. Step 3: Cross multiply
    66,850.05x = 92,249.89 × 40,007.32
  4. Step 4: Simplify right side
    66,850.05x = 3,690,670,869.19
  5. Step 5: Solve for x
    x = 3,690,670,869.19/66,850.05
  6. Step 6: Final answer
    x = 55,208.20

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1.5x scale

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.