Home / 77,172.49-115,780.62-24,586.03

Finding the Fourth Proportional to 77,172.49, 115,780.62 and 24,586.03

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Solution

The fourth proportional to 77,172.49, 115,780.62 and 24,586.03 is: 36,886.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,172.49 : 115,780.62 = 24,586.03 : x
  2. Step 2: Convert to fraction form
    77,172.49/115,780.62 = 24,586.03/x
  3. Step 3: Cross multiply
    77,172.49x = 115,780.62 × 24,586.03
  4. Step 4: Simplify right side
    77,172.49x = 2,846,585,796.74
  5. Step 5: Solve for x
    x = 2,846,585,796.74/77,172.49
  6. Step 6: Final answer
    x = 36,886.02

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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.