Home / 65,795.10-98,691.74-15,874.78

Finding the Fourth Proportional to 65,795.10, 98,691.74 and 15,874.78

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Solution

The fourth proportional to 65,795.10, 98,691.74 and 15,874.78 is: 23,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,795.10 : 98,691.74 = 15,874.78 : x
  2. Step 2: Convert to fraction form
    65,795.10/98,691.74 = 15,874.78/x
  3. Step 3: Cross multiply
    65,795.10x = 98,691.74 × 15,874.78
  4. Step 4: Simplify right side
    65,795.10x = 1,566,709,660.32
  5. Step 5: Solve for x
    x = 1,566,709,660.32/65,795.10
  6. Step 6: Final answer
    x = 23,811.95

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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.