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Finding the Fourth Proportional to 64,837.62, 97,217.52 and 25,347.66

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Solution

The fourth proportional to 64,837.62, 97,217.52 and 25,347.66 is: 38,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,837.62 : 97,217.52 = 25,347.66 : x
  2. Step 2: Convert to fraction form
    64,837.62/97,217.52 = 25,347.66/x
  3. Step 3: Cross multiply
    64,837.62x = 97,217.52 × 25,347.66
  4. Step 4: Simplify right side
    64,837.62x = 2,464,236,643.00
  5. Step 5: Solve for x
    x = 2,464,236,643.00/64,837.62
  6. Step 6: Final answer
    x = 38,006.28

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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.