Home / 65,216.16-97,822.42-20,845.58

Finding the Fourth Proportional to 65,216.16, 97,822.42 and 20,845.58

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Solution

The fourth proportional to 65,216.16, 97,822.42 and 20,845.58 is: 31,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,216.16 : 97,822.42 = 20,845.58 : x
  2. Step 2: Convert to fraction form
    65,216.16/97,822.42 = 20,845.58/x
  3. Step 3: Cross multiply
    65,216.16x = 97,822.42 × 20,845.58
  4. Step 4: Simplify right side
    65,216.16x = 2,039,164,540.68
  5. Step 5: Solve for x
    x = 2,039,164,540.68/65,216.16
  6. Step 6: Final answer
    x = 31,267.78

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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.