Home / 54,386.64-81,502.20-30,964.68

Finding the Fourth Proportional to 54,386.64, 81,502.20 and 30,964.68

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Solution

The fourth proportional to 54,386.64, 81,502.20 and 30,964.68 is: 46,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,386.64 : 81,502.20 = 30,964.68 : x
  2. Step 2: Convert to fraction form
    54,386.64/81,502.20 = 30,964.68/x
  3. Step 3: Cross multiply
    54,386.64x = 81,502.20 × 30,964.68
  4. Step 4: Simplify right side
    54,386.64x = 2,523,689,542.30
  5. Step 5: Solve for x
    x = 2,523,689,542.30/54,386.64
  6. Step 6: Final answer
    x = 46,402.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.