Home / 57,788.25-79,747.79-31,292.25

Finding the Fourth Proportional to 57,788.25, 79,747.79 and 31,292.25

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Solution

The fourth proportional to 57,788.25, 79,747.79 and 31,292.25 is: 43,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,788.25 : 79,747.79 = 31,292.25 : x
  2. Step 2: Convert to fraction form
    57,788.25/79,747.79 = 31,292.25/x
  3. Step 3: Cross multiply
    57,788.25x = 79,747.79 × 31,292.25
  4. Step 4: Simplify right side
    57,788.25x = 2,495,487,625.17
  5. Step 5: Solve for x
    x = 2,495,487,625.17/57,788.25
  6. Step 6: Final answer
    x = 43,183.31

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1.5x scale

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.