Home / 100,861.36-151,221.78-44,670.92

Finding the Fourth Proportional to 100,861.36, 151,221.78 and 44,670.92

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Solution

The fourth proportional to 100,861.36, 151,221.78 and 44,670.92 is: 66,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,861.36 : 151,221.78 = 44,670.92 : x
  2. Step 2: Convert to fraction form
    100,861.36/151,221.78 = 44,670.92/x
  3. Step 3: Cross multiply
    100,861.36x = 151,221.78 × 44,670.92
  4. Step 4: Simplify right side
    100,861.36x = 6,755,216,036.64
  5. Step 5: Solve for x
    x = 6,755,216,036.64/100,861.36
  6. Step 6: Final answer
    x = 66,975.26

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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.