Home / 82,035.53-113,209.11-44,309.78

Finding the Fourth Proportional to 82,035.53, 113,209.11 and 44,309.78

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Solution

The fourth proportional to 82,035.53, 113,209.11 and 44,309.78 is: 61,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,035.53 : 113,209.11 = 44,309.78 : x
  2. Step 2: Convert to fraction form
    82,035.53/113,209.11 = 44,309.78/x
  3. Step 3: Cross multiply
    82,035.53x = 113,209.11 × 44,309.78
  4. Step 4: Simplify right side
    82,035.53x = 5,016,271,041.12
  5. Step 5: Solve for x
    x = 5,016,271,041.12/82,035.53
  6. Step 6: Final answer
    x = 61,147.54

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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.