Home / 65,764.06-98,678.49-40,797.70

Finding the Fourth Proportional to 65,764.06, 98,678.49 and 40,797.70

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Solution

The fourth proportional to 65,764.06, 98,678.49 and 40,797.70 is: 61,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,764.06 : 98,678.49 = 40,797.70 : x
  2. Step 2: Convert to fraction form
    65,764.06/98,678.49 = 40,797.70/x
  3. Step 3: Cross multiply
    65,764.06x = 98,678.49 × 40,797.70
  4. Step 4: Simplify right side
    65,764.06x = 4,025,855,431.47
  5. Step 5: Solve for x
    x = 4,025,855,431.47/65,764.06
  6. Step 6: Final answer
    x = 61,216.65

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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.