Home / 66,873.93-92,286.98-40,017.57

Finding the Fourth Proportional to 66,873.93, 92,286.98 and 40,017.57

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Solution

The fourth proportional to 66,873.93, 92,286.98 and 40,017.57 is: 55,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,873.93 : 92,286.98 = 40,017.57 : x
  2. Step 2: Convert to fraction form
    66,873.93/92,286.98 = 40,017.57/x
  3. Step 3: Cross multiply
    66,873.93x = 92,286.98 × 40,017.57
  4. Step 4: Simplify right side
    66,873.93x = 3,693,100,682.24
  5. Step 5: Solve for x
    x = 3,693,100,682.24/66,873.93
  6. Step 6: Final answer
    x = 55,224.82

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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.