Home / 65,745.35-98,642.62-34,135.68

Finding the Fourth Proportional to 65,745.35, 98,642.62 and 34,135.68

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Solution

The fourth proportional to 65,745.35, 98,642.62 and 34,135.68 is: 51,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,745.35 : 98,642.62 = 34,135.68 : x
  2. Step 2: Convert to fraction form
    65,745.35/98,642.62 = 34,135.68/x
  3. Step 3: Cross multiply
    65,745.35x = 98,642.62 × 34,135.68
  4. Step 4: Simplify right side
    65,745.35x = 3,367,232,455.43
  5. Step 5: Solve for x
    x = 3,367,232,455.43/65,745.35
  6. Step 6: Final answer
    x = 51,216.29

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1.5x scale

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.