Home / 65,193.98-97,837.61-27,780.35

Finding the Fourth Proportional to 65,193.98, 97,837.61 and 27,780.35

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Solution

The fourth proportional to 65,193.98, 97,837.61 and 27,780.35 is: 41,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,193.98 : 97,837.61 = 27,780.35 : x
  2. Step 2: Convert to fraction form
    65,193.98/97,837.61 = 27,780.35/x
  3. Step 3: Cross multiply
    65,193.98x = 97,837.61 × 27,780.35
  4. Step 4: Simplify right side
    65,193.98x = 2,717,962,420.87
  5. Step 5: Solve for x
    x = 2,717,962,420.87/65,193.98
  6. Step 6: Final answer
    x = 41,690.39

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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.