Home / 54,433.72-75,113.64-31,774.68

Finding the Fourth Proportional to 54,433.72, 75,113.64 and 31,774.68

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Solution

The fourth proportional to 54,433.72, 75,113.64 and 31,774.68 is: 43,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433.72 : 75,113.64 = 31,774.68 : x
  2. Step 2: Convert to fraction form
    54,433.72/75,113.64 = 31,774.68/x
  3. Step 3: Cross multiply
    54,433.72x = 75,113.64 × 31,774.68
  4. Step 4: Simplify right side
    54,433.72x = 2,386,711,874.64
  5. Step 5: Solve for x
    x = 2,386,711,874.64/54,433.72
  6. Step 6: Final answer
    x = 43,846.20

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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.