Home / 67,727.07-93,464.66-40,531.12

Finding the Fourth Proportional to 67,727.07, 93,464.66 and 40,531.12

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Solution

The fourth proportional to 67,727.07, 93,464.66 and 40,531.12 is: 55,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,727.07 : 93,464.66 = 40,531.12 : x
  2. Step 2: Convert to fraction form
    67,727.07/93,464.66 = 40,531.12/x
  3. Step 3: Cross multiply
    67,727.07x = 93,464.66 × 40,531.12
  4. Step 4: Simplify right side
    67,727.07x = 3,788,227,217.89
  5. Step 5: Solve for x
    x = 3,788,227,217.89/67,727.07
  6. Step 6: Final answer
    x = 55,933.72

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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.