Home / 51,812.70-77,680.65-22,206.30

Finding the Fourth Proportional to 51,812.70, 77,680.65 and 22,206.30

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Solution

The fourth proportional to 51,812.70, 77,680.65 and 22,206.30 is: 33,292.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,812.70 : 77,680.65 = 22,206.30 : x
  2. Step 2: Convert to fraction form
    51,812.70/77,680.65 = 22,206.30/x
  3. Step 3: Cross multiply
    51,812.70x = 77,680.65 × 22,206.30
  4. Step 4: Simplify right side
    51,812.70x = 1,724,999,818.10
  5. Step 5: Solve for x
    x = 1,724,999,818.10/51,812.70
  6. Step 6: Final answer
    x = 33,292.99

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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.