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Finding the Fourth Proportional to 64,526.69, 96,785.25 and 27,085.25

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Solution

The fourth proportional to 64,526.69, 96,785.25 and 27,085.25 is: 40,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,526.69 : 96,785.25 = 27,085.25 : x
  2. Step 2: Convert to fraction form
    64,526.69/96,785.25 = 27,085.25/x
  3. Step 3: Cross multiply
    64,526.69x = 96,785.25 × 27,085.25
  4. Step 4: Simplify right side
    64,526.69x = 2,621,452,832.96
  5. Step 5: Solve for x
    x = 2,621,452,832.96/64,526.69
  6. Step 6: Final answer
    x = 40,625.87

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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.