Home / 82,763.57-124,145.46-38,384.48

Finding the Fourth Proportional to 82,763.57, 124,145.46 and 38,384.48

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Solution

The fourth proportional to 82,763.57, 124,145.46 and 38,384.48 is: 57,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,763.57 : 124,145.46 = 38,384.48 : x
  2. Step 2: Convert to fraction form
    82,763.57/124,145.46 = 38,384.48/x
  3. Step 3: Cross multiply
    82,763.57x = 124,145.46 × 38,384.48
  4. Step 4: Simplify right side
    82,763.57x = 4,765,259,236.82
  5. Step 5: Solve for x
    x = 4,765,259,236.82/82,763.57
  6. Step 6: Final answer
    x = 57,576.77

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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.