Home / 54,797.16-75,615.78-30,929.64

Finding the Fourth Proportional to 54,797.16, 75,615.78 and 30,929.64

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Solution

The fourth proportional to 54,797.16, 75,615.78 and 30,929.64 is: 42,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,797.16 : 75,615.78 = 30,929.64 : x
  2. Step 2: Convert to fraction form
    54,797.16/75,615.78 = 30,929.64/x
  3. Step 3: Cross multiply
    54,797.16x = 75,615.78 × 30,929.64
  4. Step 4: Simplify right side
    54,797.16x = 2,338,768,853.72
  5. Step 5: Solve for x
    x = 2,338,768,853.72/54,797.16
  6. Step 6: Final answer
    x = 42,680.48

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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.