Home / 57,391.20-79,186.89-34,729.62

Finding the Fourth Proportional to 57,391.20, 79,186.89 and 34,729.62

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Solution

The fourth proportional to 57,391.20, 79,186.89 and 34,729.62 is: 47,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,391.20 : 79,186.89 = 34,729.62 : x
  2. Step 2: Convert to fraction form
    57,391.20/79,186.89 = 34,729.62/x
  3. Step 3: Cross multiply
    57,391.20x = 79,186.89 × 34,729.62
  4. Step 4: Simplify right side
    57,391.20x = 2,750,130,598.68
  5. Step 5: Solve for x
    x = 2,750,130,598.68/57,391.20
  6. Step 6: Final answer
    x = 47,919.03

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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.