Home / 80,847.36-111,572.72-45,037.36

Finding the Fourth Proportional to 80,847.36, 111,572.72 and 45,037.36

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Solution

The fourth proportional to 80,847.36, 111,572.72 and 45,037.36 is: 62,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,847.36 : 111,572.72 = 45,037.36 : x
  2. Step 2: Convert to fraction form
    80,847.36/111,572.72 = 45,037.36/x
  3. Step 3: Cross multiply
    80,847.36x = 111,572.72 × 45,037.36
  4. Step 4: Simplify right side
    80,847.36x = 5,024,940,252.70
  5. Step 5: Solve for x
    x = 5,024,940,252.70/80,847.36
  6. Step 6: Final answer
    x = 62,153.42

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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.