Home / 96,821.32-133,611.78-54,377.32

Finding the Fourth Proportional to 96,821.32, 133,611.78 and 54,377.32

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Solution

The fourth proportional to 96,821.32, 133,611.78 and 54,377.32 is: 75,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,821.32 : 133,611.78 = 54,377.32 : x
  2. Step 2: Convert to fraction form
    96,821.32/133,611.78 = 54,377.32/x
  3. Step 3: Cross multiply
    96,821.32x = 133,611.78 × 54,377.32
  4. Step 4: Simplify right side
    96,821.32x = 7,265,450,516.83
  5. Step 5: Solve for x
    x = 7,265,450,516.83/96,821.32
  6. Step 6: Final answer
    x = 75,039.78

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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.