Home / 66,924.11-92,358.16-40,061.43

Finding the Fourth Proportional to 66,924.11, 92,358.16 and 40,061.43

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Solution

The fourth proportional to 66,924.11, 92,358.16 and 40,061.43 is: 55,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.11 : 92,358.16 = 40,061.43 : x
  2. Step 2: Convert to fraction form
    66,924.11/92,358.16 = 40,061.43/x
  3. Step 3: Cross multiply
    66,924.11x = 92,358.16 × 40,061.43
  4. Step 4: Simplify right side
    66,924.11x = 3,699,999,961.77
  5. Step 5: Solve for x
    x = 3,699,999,961.77/66,924.11
  6. Step 6: Final answer
    x = 55,286.50

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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.