Home / 58,645.30-80,930.66-31,787.79

Finding the Fourth Proportional to 58,645.30, 80,930.66 and 31,787.79

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Solution

The fourth proportional to 58,645.30, 80,930.66 and 31,787.79 is: 43,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,645.30 : 80,930.66 = 31,787.79 : x
  2. Step 2: Convert to fraction form
    58,645.30/80,930.66 = 31,787.79/x
  3. Step 3: Cross multiply
    58,645.30x = 80,930.66 × 31,787.79
  4. Step 4: Simplify right side
    58,645.30x = 2,572,606,824.64
  5. Step 5: Solve for x
    x = 2,572,606,824.64/58,645.30
  6. Step 6: Final answer
    x = 43,867.23

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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.