Home / 100,587.51-150,755.45-50,680.17

Finding the Fourth Proportional to 100,587.51, 150,755.45 and 50,680.17

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Solution

The fourth proportional to 100,587.51, 150,755.45 and 50,680.17 is: 75,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,587.51 : 150,755.45 = 50,680.17 : x
  2. Step 2: Convert to fraction form
    100,587.51/150,755.45 = 50,680.17/x
  3. Step 3: Cross multiply
    100,587.51x = 150,755.45 × 50,680.17
  4. Step 4: Simplify right side
    100,587.51x = 7,640,311,581.03
  5. Step 5: Solve for x
    x = 7,640,311,581.03/100,587.51
  6. Step 6: Final answer
    x = 75,956.86

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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.