Home / 51,068.68-76,578.72-17,784.66

Finding the Fourth Proportional to 51,068.68, 76,578.72 and 17,784.66

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Solution

The fourth proportional to 51,068.68, 76,578.72 and 17,784.66 is: 26,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,068.68 : 76,578.72 = 17,784.66 : x
  2. Step 2: Convert to fraction form
    51,068.68/76,578.72 = 17,784.66/x
  3. Step 3: Cross multiply
    51,068.68x = 76,578.72 × 17,784.66
  4. Step 4: Simplify right side
    51,068.68x = 1,361,926,718.91
  5. Step 5: Solve for x
    x = 1,361,926,718.91/51,068.68
  6. Step 6: Final answer
    x = 26,668.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.