Home / 54,336.16-74,984.16-30,463.84

Finding the Fourth Proportional to 54,336.16, 74,984.16 and 30,463.84

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Solution

The fourth proportional to 54,336.16, 74,984.16 and 30,463.84 is: 42,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,336.16 : 74,984.16 = 30,463.84 : x
  2. Step 2: Convert to fraction form
    54,336.16/74,984.16 = 30,463.84/x
  3. Step 3: Cross multiply
    54,336.16x = 74,984.16 × 30,463.84
  4. Step 4: Simplify right side
    54,336.16x = 2,284,305,452.77
  5. Step 5: Solve for x
    x = 2,284,305,452.77/54,336.16
  6. Step 6: Final answer
    x = 42,040.24

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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.