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Finding the Fourth Proportional to 65,916.14, 98,808.12 and 32,660.37

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Solution

The fourth proportional to 65,916.14, 98,808.12 and 32,660.37 is: 48,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,916.14 : 98,808.12 = 32,660.37 : x
  2. Step 2: Convert to fraction form
    65,916.14/98,808.12 = 32,660.37/x
  3. Step 3: Cross multiply
    65,916.14x = 98,808.12 × 32,660.37
  4. Step 4: Simplify right side
    65,916.14x = 3,227,109,758.20
  5. Step 5: Solve for x
    x = 3,227,109,758.20/65,916.14
  6. Step 6: Final answer
    x = 48,957.81

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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.