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Finding the Fourth Proportional to 64,663.64, 96,998.20 and 22,547.94

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Solution

The fourth proportional to 64,663.64, 96,998.20 and 22,547.94 is: 33,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,663.64 : 96,998.20 = 22,547.94 : x
  2. Step 2: Convert to fraction form
    64,663.64/96,998.20 = 22,547.94/x
  3. Step 3: Cross multiply
    64,663.64x = 96,998.20 × 22,547.94
  4. Step 4: Simplify right side
    64,663.64x = 2,187,109,593.71
  5. Step 5: Solve for x
    x = 2,187,109,593.71/64,663.64
  6. Step 6: Final answer
    x = 33,822.87

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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.