Home / 97,081.46-133,954.53-54,630.98

Finding the Fourth Proportional to 97,081.46, 133,954.53 and 54,630.98

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Solution

The fourth proportional to 97,081.46, 133,954.53 and 54,630.98 is: 75,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,081.46 : 133,954.53 = 54,630.98 : x
  2. Step 2: Convert to fraction form
    97,081.46/133,954.53 = 54,630.98/x
  3. Step 3: Cross multiply
    97,081.46x = 133,954.53 × 54,630.98
  4. Step 4: Simplify right side
    97,081.46x = 7,318,067,249.34
  5. Step 5: Solve for x
    x = 7,318,067,249.34/97,081.46
  6. Step 6: Final answer
    x = 75,380.69

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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.