Home / 57,355.54-79,148.46-31,863.53

Finding the Fourth Proportional to 57,355.54, 79,148.46 and 31,863.53

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Solution

The fourth proportional to 57,355.54, 79,148.46 and 31,863.53 is: 43,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,355.54 : 79,148.46 = 31,863.53 : x
  2. Step 2: Convert to fraction form
    57,355.54/79,148.46 = 31,863.53/x
  3. Step 3: Cross multiply
    57,355.54x = 79,148.46 × 31,863.53
  4. Step 4: Simplify right side
    57,355.54x = 2,521,949,022.58
  5. Step 5: Solve for x
    x = 2,521,949,022.58/57,355.54
  6. Step 6: Final answer
    x = 43,970.45

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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.