Home / 82,772.64-124,343.48-51,206.12

Finding the Fourth Proportional to 82,772.64, 124,343.48 and 51,206.12

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Solution

The fourth proportional to 82,772.64, 124,343.48 and 51,206.12 is: 76,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,772.64 : 124,343.48 = 51,206.12 : x
  2. Step 2: Convert to fraction form
    82,772.64/124,343.48 = 51,206.12/x
  3. Step 3: Cross multiply
    82,772.64x = 124,343.48 × 51,206.12
  4. Step 4: Simplify right side
    82,772.64x = 6,367,147,158.10
  5. Step 5: Solve for x
    x = 6,367,147,158.10/82,772.64
  6. Step 6: Final answer
    x = 76,923.33

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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.