Home / 81,733.71-122,574.65-26,316.75

Finding the Fourth Proportional to 81,733.71, 122,574.65 and 26,316.75

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Solution

The fourth proportional to 81,733.71, 122,574.65 and 26,316.75 is: 39,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,733.71 : 122,574.65 = 26,316.75 : x
  2. Step 2: Convert to fraction form
    81,733.71/122,574.65 = 26,316.75/x
  3. Step 3: Cross multiply
    81,733.71x = 122,574.65 × 26,316.75
  4. Step 4: Simplify right side
    81,733.71x = 3,225,766,288.80
  5. Step 5: Solve for x
    x = 3,225,766,288.80/81,733.71
  6. Step 6: Final answer
    x = 39,466.78

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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.