Home / 82,956.16-124,434.69-20,626.66

Finding the Fourth Proportional to 82,956.16, 124,434.69 and 20,626.66

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Solution

The fourth proportional to 82,956.16, 124,434.69 and 20,626.66 is: 30,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,956.16 : 124,434.69 = 20,626.66 : x
  2. Step 2: Convert to fraction form
    82,956.16/124,434.69 = 20,626.66/x
  3. Step 3: Cross multiply
    82,956.16x = 124,434.69 × 20,626.66
  4. Step 4: Simplify right side
    82,956.16x = 2,566,672,042.84
  5. Step 5: Solve for x
    x = 2,566,672,042.84/82,956.16
  6. Step 6: Final answer
    x = 30,940.10

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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.