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Finding the Fourth Proportional to 65,755.02, 98,647.11 and 19,004.34

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Solution

The fourth proportional to 65,755.02, 98,647.11 and 19,004.34 is: 28,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,755.02 : 98,647.11 = 19,004.34 : x
  2. Step 2: Convert to fraction form
    65,755.02/98,647.11 = 19,004.34/x
  3. Step 3: Cross multiply
    65,755.02x = 98,647.11 × 19,004.34
  4. Step 4: Simplify right side
    65,755.02x = 1,874,723,218.46
  5. Step 5: Solve for x
    x = 1,874,723,218.46/65,755.02
  6. Step 6: Final answer
    x = 28,510.72

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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.