Home / 80,901.62-111,646.86-45,099.24

Finding the Fourth Proportional to 80,901.62, 111,646.86 and 45,099.24

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Solution

The fourth proportional to 80,901.62, 111,646.86 and 45,099.24 is: 62,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,901.62 : 111,646.86 = 45,099.24 : x
  2. Step 2: Convert to fraction form
    80,901.62/111,646.86 = 45,099.24/x
  3. Step 3: Cross multiply
    80,901.62x = 111,646.86 × 45,099.24
  4. Step 4: Simplify right side
    80,901.62x = 5,035,188,534.39
  5. Step 5: Solve for x
    x = 5,035,188,534.39/80,901.62
  6. Step 6: Final answer
    x = 62,238.41

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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.