Home / 54,792.16-75,613.52-30,919.84

Finding the Fourth Proportional to 54,792.16, 75,613.52 and 30,919.84

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Solution

The fourth proportional to 54,792.16, 75,613.52 and 30,919.84 is: 42,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,792.16 : 75,613.52 = 30,919.84 : x
  2. Step 2: Convert to fraction form
    54,792.16/75,613.52 = 30,919.84/x
  3. Step 3: Cross multiply
    54,792.16x = 75,613.52 × 30,919.84
  4. Step 4: Simplify right side
    54,792.16x = 2,337,957,940.24
  5. Step 5: Solve for x
    x = 2,337,957,940.24/54,792.16
  6. Step 6: Final answer
    x = 42,669.57

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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.