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Finding the Fourth Proportional to 64,857.74, 97,233.77 and 43,532.44

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Solution

The fourth proportional to 64,857.74, 97,233.77 and 43,532.44 is: 65,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,857.74 : 97,233.77 = 43,532.44 : x
  2. Step 2: Convert to fraction form
    64,857.74/97,233.77 = 43,532.44/x
  3. Step 3: Cross multiply
    64,857.74x = 97,233.77 × 43,532.44
  4. Step 4: Simplify right side
    64,857.74x = 4,232,823,124.25
  5. Step 5: Solve for x
    x = 4,232,823,124.25/64,857.74
  6. Step 6: Final answer
    x = 65,263.20

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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.