Home / 109,859.82-151,600.32-62,115.18

Finding the Fourth Proportional to 109,859.82, 151,600.32 and 62,115.18

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Solution

The fourth proportional to 109,859.82, 151,600.32 and 62,115.18 is: 85,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,859.82 : 151,600.32 = 62,115.18 : x
  2. Step 2: Convert to fraction form
    109,859.82/151,600.32 = 62,115.18/x
  3. Step 3: Cross multiply
    109,859.82x = 151,600.32 × 62,115.18
  4. Step 4: Simplify right side
    109,859.82x = 9,416,681,164.86
  5. Step 5: Solve for x
    x = 9,416,681,164.86/109,859.82
  6. Step 6: Final answer
    x = 85,715.43

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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.