Home / 77,540.49-116,216.84-35,362.78

Finding the Fourth Proportional to 77,540.49, 116,216.84 and 35,362.78

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Solution

The fourth proportional to 77,540.49, 116,216.84 and 35,362.78 is: 53,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,540.49 : 116,216.84 = 35,362.78 : x
  2. Step 2: Convert to fraction form
    77,540.49/116,216.84 = 35,362.78/x
  3. Step 3: Cross multiply
    77,540.49x = 116,216.84 × 35,362.78
  4. Step 4: Simplify right side
    77,540.49x = 4,109,750,343.08
  5. Step 5: Solve for x
    x = 4,109,750,343.08/77,540.49
  6. Step 6: Final answer
    x = 53,001.35

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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.