Home / 52,680.65-78,983.98-19,396.46

Finding the Fourth Proportional to 52,680.65, 78,983.98 and 19,396.46

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Solution

The fourth proportional to 52,680.65, 78,983.98 and 19,396.46 is: 29,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680.65 : 78,983.98 = 19,396.46 : x
  2. Step 2: Convert to fraction form
    52,680.65/78,983.98 = 19,396.46/x
  3. Step 3: Cross multiply
    52,680.65x = 78,983.98 × 19,396.46
  4. Step 4: Simplify right side
    52,680.65x = 1,532,009,757.68
  5. Step 5: Solve for x
    x = 1,532,009,757.68/52,680.65
  6. Step 6: Final answer
    x = 29,081.07

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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.