Home / 82,790.63-124,187.11-23,626.31

Finding the Fourth Proportional to 82,790.63, 124,187.11 and 23,626.31

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Solution

The fourth proportional to 82,790.63, 124,187.11 and 23,626.31 is: 35,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,790.63 : 124,187.11 = 23,626.31 : x
  2. Step 2: Convert to fraction form
    82,790.63/124,187.11 = 23,626.31/x
  3. Step 3: Cross multiply
    82,790.63x = 124,187.11 × 23,626.31
  4. Step 4: Simplify right side
    82,790.63x = 2,934,082,537.93
  5. Step 5: Solve for x
    x = 2,934,082,537.93/82,790.63
  6. Step 6: Final answer
    x = 35,439.79

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1.5x scale

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.