Home / 57,327.48-79,138.62-38,239.02

Finding the Fourth Proportional to 57,327.48, 79,138.62 and 38,239.02

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Solution

The fourth proportional to 57,327.48, 79,138.62 and 38,239.02 is: 52,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,327.48 : 79,138.62 = 38,239.02 : x
  2. Step 2: Convert to fraction form
    57,327.48/79,138.62 = 38,239.02/x
  3. Step 3: Cross multiply
    57,327.48x = 79,138.62 × 38,239.02
  4. Step 4: Simplify right side
    57,327.48x = 3,026,183,272.95
  5. Step 5: Solve for x
    x = 3,026,183,272.95/57,327.48
  6. Step 6: Final answer
    x = 52,787.66

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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.