Home / 65,887.25-98,727.39-50,931

Finding the Fourth Proportional to 65,887.25, 98,727.39 and 50,931

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Solution

The fourth proportional to 65,887.25, 98,727.39 and 50,931 is: 76,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,887.25 : 98,727.39 = 50,931 : x
  2. Step 2: Convert to fraction form
    65,887.25/98,727.39 = 50,931/x
  3. Step 3: Cross multiply
    65,887.25x = 98,727.39 × 50,931
  4. Step 4: Simplify right side
    65,887.25x = 5,028,284,700.09
  5. Step 5: Solve for x
    x = 5,028,284,700.09/65,887.25
  6. Step 6: Final answer
    x = 76,316.51

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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.