Home / 100,830.42-151,152.17-44,640.59

Finding the Fourth Proportional to 100,830.42, 151,152.17 and 44,640.59

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Solution

The fourth proportional to 100,830.42, 151,152.17 and 44,640.59 is: 66,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,830.42 : 151,152.17 = 44,640.59 : x
  2. Step 2: Convert to fraction form
    100,830.42/151,152.17 = 44,640.59/x
  3. Step 3: Cross multiply
    100,830.42x = 151,152.17 × 44,640.59
  4. Step 4: Simplify right side
    100,830.42x = 6,747,521,069.62
  5. Step 5: Solve for x
    x = 6,747,521,069.62/100,830.42
  6. Step 6: Final answer
    x = 66,919.50

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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.