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Finding the Fourth Proportional to 65,248.60, 97,872.90 and 33,755.80

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Solution

The fourth proportional to 65,248.60, 97,872.90 and 33,755.80 is: 50,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,248.60 : 97,872.90 = 33,755.80 : x
  2. Step 2: Convert to fraction form
    65,248.60/97,872.90 = 33,755.80/x
  3. Step 3: Cross multiply
    65,248.60x = 97,872.90 × 33,755.80
  4. Step 4: Simplify right side
    65,248.60x = 3,303,778,037.82
  5. Step 5: Solve for x
    x = 3,303,778,037.82/65,248.60
  6. Step 6: Final answer
    x = 50,633.70

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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.