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Finding the Fourth Proportional to 64,364.25, 96,546.51 and 27,428.25

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Solution

The fourth proportional to 64,364.25, 96,546.51 and 27,428.25 is: 41,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,364.25 : 96,546.51 = 27,428.25 : x
  2. Step 2: Convert to fraction form
    64,364.25/96,546.51 = 27,428.25/x
  3. Step 3: Cross multiply
    64,364.25x = 96,546.51 × 27,428.25
  4. Step 4: Simplify right side
    64,364.25x = 2,648,101,812.91
  5. Step 5: Solve for x
    x = 2,648,101,812.91/64,364.25
  6. Step 6: Final answer
    x = 41,142.43

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1.5x scale

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.