Home / 77,034.20-115,551.30-35,562.20

Finding the Fourth Proportional to 77,034.20, 115,551.30 and 35,562.20

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Solution

The fourth proportional to 77,034.20, 115,551.30 and 35,562.20 is: 53,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,034.20 : 115,551.30 = 35,562.20 : x
  2. Step 2: Convert to fraction form
    77,034.20/115,551.30 = 35,562.20/x
  3. Step 3: Cross multiply
    77,034.20x = 115,551.30 × 35,562.20
  4. Step 4: Simplify right side
    77,034.20x = 4,109,258,440.86
  5. Step 5: Solve for x
    x = 4,109,258,440.86/77,034.20
  6. Step 6: Final answer
    x = 53,343.30

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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.