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Finding the Fourth Proportional to 65,382.70, 98,039.98 and 23,256.67

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Solution

The fourth proportional to 65,382.70, 98,039.98 and 23,256.67 is: 34,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,382.70 : 98,039.98 = 23,256.67 : x
  2. Step 2: Convert to fraction form
    65,382.70/98,039.98 = 23,256.67/x
  3. Step 3: Cross multiply
    65,382.70x = 98,039.98 × 23,256.67
  4. Step 4: Simplify right side
    65,382.70x = 2,280,082,913.33
  5. Step 5: Solve for x
    x = 2,280,082,913.33/65,382.70
  6. Step 6: Final answer
    x = 34,872.88

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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.