Home / 57,980.88-80,029.38-34,115.25

Finding the Fourth Proportional to 57,980.88, 80,029.38 and 34,115.25

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Solution

The fourth proportional to 57,980.88, 80,029.38 and 34,115.25 is: 47,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,980.88 : 80,029.38 = 34,115.25 : x
  2. Step 2: Convert to fraction form
    57,980.88/80,029.38 = 34,115.25/x
  3. Step 3: Cross multiply
    57,980.88x = 80,029.38 × 34,115.25
  4. Step 4: Simplify right side
    57,980.88x = 2,730,222,306.05
  5. Step 5: Solve for x
    x = 2,730,222,306.05/57,980.88
  6. Step 6: Final answer
    x = 47,088.32

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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.