Home / 82,726.20-124,089.30-51,622.20

Finding the Fourth Proportional to 82,726.20, 124,089.30 and 51,622.20

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Solution

The fourth proportional to 82,726.20, 124,089.30 and 51,622.20 is: 77,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,726.20 : 124,089.30 = 51,622.20 : x
  2. Step 2: Convert to fraction form
    82,726.20/124,089.30 = 51,622.20/x
  3. Step 3: Cross multiply
    82,726.20x = 124,089.30 × 51,622.20
  4. Step 4: Simplify right side
    82,726.20x = 6,405,762,662.46
  5. Step 5: Solve for x
    x = 6,405,762,662.46/82,726.20
  6. Step 6: Final answer
    x = 77,433.30

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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.