Home / 54,215.66-74,765.13-42,274.64

Finding the Fourth Proportional to 54,215.66, 74,765.13 and 42,274.64

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Solution

The fourth proportional to 54,215.66, 74,765.13 and 42,274.64 is: 58,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,215.66 : 74,765.13 = 42,274.64 : x
  2. Step 2: Convert to fraction form
    54,215.66/74,765.13 = 42,274.64/x
  3. Step 3: Cross multiply
    54,215.66x = 74,765.13 × 42,274.64
  4. Step 4: Simplify right side
    54,215.66x = 3,160,668,983.69
  5. Step 5: Solve for x
    x = 3,160,668,983.69/54,215.66
  6. Step 6: Final answer
    x = 58,298.08

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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.