Home / 55,463.03-76,668.28-49,472.64

Finding the Fourth Proportional to 55,463.03, 76,668.28 and 49,472.64

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Solution

The fourth proportional to 55,463.03, 76,668.28 and 49,472.64 is: 68,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,463.03 : 76,668.28 = 49,472.64 : x
  2. Step 2: Convert to fraction form
    55,463.03/76,668.28 = 49,472.64/x
  3. Step 3: Cross multiply
    55,463.03x = 76,668.28 × 49,472.64
  4. Step 4: Simplify right side
    55,463.03x = 3,792,981,968.50
  5. Step 5: Solve for x
    x = 3,792,981,968.50/55,463.03
  6. Step 6: Final answer
    x = 68,387.57

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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.