Home / 67,755.03-101,638.80-17,835.39

Finding the Fourth Proportional to 67,755.03, 101,638.80 and 17,835.39

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Solution

The fourth proportional to 67,755.03, 101,638.80 and 17,835.39 is: 26,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,755.03 : 101,638.80 = 17,835.39 : x
  2. Step 2: Convert to fraction form
    67,755.03/101,638.80 = 17,835.39/x
  3. Step 3: Cross multiply
    67,755.03x = 101,638.80 × 17,835.39
  4. Step 4: Simplify right side
    67,755.03x = 1,812,767,637.13
  5. Step 5: Solve for x
    x = 1,812,767,637.13/67,755.03
  6. Step 6: Final answer
    x = 26,754.73

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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.