Home / 54,889.72-82,346.02-31,208.15

Finding the Fourth Proportional to 54,889.72, 82,346.02 and 31,208.15

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Solution

The fourth proportional to 54,889.72, 82,346.02 and 31,208.15 is: 46,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.72 : 82,346.02 = 31,208.15 : x
  2. Step 2: Convert to fraction form
    54,889.72/82,346.02 = 31,208.15/x
  3. Step 3: Cross multiply
    54,889.72x = 82,346.02 × 31,208.15
  4. Step 4: Simplify right side
    54,889.72x = 2,569,867,071.91
  5. Step 5: Solve for x
    x = 2,569,867,071.91/54,889.72
  6. Step 6: Final answer
    x = 46,818.73

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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.