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Finding the Fourth Proportional to 64,808.51, 97,232.81 and 27,385.29

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Solution

The fourth proportional to 64,808.51, 97,232.81 and 27,385.29 is: 41,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,808.51 : 97,232.81 = 27,385.29 : x
  2. Step 2: Convert to fraction form
    64,808.51/97,232.81 = 27,385.29/x
  3. Step 3: Cross multiply
    64,808.51x = 97,232.81 × 27,385.29
  4. Step 4: Simplify right side
    64,808.51x = 2,662,748,562.44
  5. Step 5: Solve for x
    x = 2,662,748,562.44/64,808.51
  6. Step 6: Final answer
    x = 41,086.41

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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.