Home / 81,297.14-112,190.60-45,487.75

Finding the Fourth Proportional to 81,297.14, 112,190.60 and 45,487.75

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Solution

The fourth proportional to 81,297.14, 112,190.60 and 45,487.75 is: 62,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,297.14 : 112,190.60 = 45,487.75 : x
  2. Step 2: Convert to fraction form
    81,297.14/112,190.60 = 45,487.75/x
  3. Step 3: Cross multiply
    81,297.14x = 112,190.60 × 45,487.75
  4. Step 4: Simplify right side
    81,297.14x = 5,103,297,965.15
  5. Step 5: Solve for x
    x = 5,103,297,965.15/81,297.14
  6. Step 6: Final answer
    x = 62,773.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.