Home / 66,924.81-92,363.96-40,067.30

Finding the Fourth Proportional to 66,924.81, 92,363.96 and 40,067.30

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Solution

The fourth proportional to 66,924.81, 92,363.96 and 40,067.30 is: 55,297.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.81 : 92,363.96 = 40,067.30 : x
  2. Step 2: Convert to fraction form
    66,924.81/92,363.96 = 40,067.30/x
  3. Step 3: Cross multiply
    66,924.81x = 92,363.96 × 40,067.30
  4. Step 4: Simplify right side
    66,924.81x = 3,700,773,832.35
  5. Step 5: Solve for x
    x = 3,700,773,832.35/66,924.81
  6. Step 6: Final answer
    x = 55,297.49

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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.