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Finding the Fourth Proportional to 65,586.65, 98,389.13 and 32,306.99

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Solution

The fourth proportional to 65,586.65, 98,389.13 and 32,306.99 is: 48,464.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,586.65 : 98,389.13 = 32,306.99 : x
  2. Step 2: Convert to fraction form
    65,586.65/98,389.13 = 32,306.99/x
  3. Step 3: Cross multiply
    65,586.65x = 98,389.13 × 32,306.99
  4. Step 4: Simplify right side
    65,586.65x = 3,178,655,985.54
  5. Step 5: Solve for x
    x = 3,178,655,985.54/65,586.65
  6. Step 6: Final answer
    x = 48,464.99

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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.