Home / 65,632.20-98,424-51,619.50

Finding the Fourth Proportional to 65,632.20, 98,424 and 51,619.50

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Solution

The fourth proportional to 65,632.20, 98,424 and 51,619.50 is: 77,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,632.20 : 98,424 = 51,619.50 : x
  2. Step 2: Convert to fraction form
    65,632.20/98,424 = 51,619.50/x
  3. Step 3: Cross multiply
    65,632.20x = 98,424 × 51,619.50
  4. Step 4: Simplify right side
    65,632.20x = 5,080,597,668
  5. Step 5: Solve for x
    x = 5,080,597,668/65,632.20
  6. Step 6: Final answer
    x = 77,410.14

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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.