Home / 57,718.10-86,581.20-32,770.10

Finding the Fourth Proportional to 57,718.10, 86,581.20 and 32,770.10

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Solution

The fourth proportional to 57,718.10, 86,581.20 and 32,770.10 is: 49,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,718.10 : 86,581.20 = 32,770.10 : x
  2. Step 2: Convert to fraction form
    57,718.10/86,581.20 = 32,770.10/x
  3. Step 3: Cross multiply
    57,718.10x = 86,581.20 × 32,770.10
  4. Step 4: Simplify right side
    57,718.10x = 2,837,274,582.12
  5. Step 5: Solve for x
    x = 2,837,274,582.12/57,718.10
  6. Step 6: Final answer
    x = 49,157.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.