Home / 65,974.05-98,985.96-39,697.23

Finding the Fourth Proportional to 65,974.05, 98,985.96 and 39,697.23

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Solution

The fourth proportional to 65,974.05, 98,985.96 and 39,697.23 is: 59,560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,974.05 : 98,985.96 = 39,697.23 : x
  2. Step 2: Convert to fraction form
    65,974.05/98,985.96 = 39,697.23/x
  3. Step 3: Cross multiply
    65,974.05x = 98,985.96 × 39,697.23
  4. Step 4: Simplify right side
    65,974.05x = 3,929,468,420.89
  5. Step 5: Solve for x
    x = 3,929,468,420.89/65,974.05
  6. Step 6: Final answer
    x = 59,560.82

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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.