Home / 65,936.72-98,835.35-21,551.55

Finding the Fourth Proportional to 65,936.72, 98,835.35 and 21,551.55

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Solution

The fourth proportional to 65,936.72, 98,835.35 and 21,551.55 is: 32,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,936.72 : 98,835.35 = 21,551.55 : x
  2. Step 2: Convert to fraction form
    65,936.72/98,835.35 = 21,551.55/x
  3. Step 3: Cross multiply
    65,936.72x = 98,835.35 × 21,551.55
  4. Step 4: Simplify right side
    65,936.72x = 2,130,054,879.53
  5. Step 5: Solve for x
    x = 2,130,054,879.53/65,936.72
  6. Step 6: Final answer
    x = 32,304.53

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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.