Home / 75,429.92-104,122.32-50,270.24

Finding the Fourth Proportional to 75,429.92, 104,122.32 and 50,270.24

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Solution

The fourth proportional to 75,429.92, 104,122.32 and 50,270.24 is: 69,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,429.92 : 104,122.32 = 50,270.24 : x
  2. Step 2: Convert to fraction form
    75,429.92/104,122.32 = 50,270.24/x
  3. Step 3: Cross multiply
    75,429.92x = 104,122.32 × 50,270.24
  4. Step 4: Simplify right side
    75,429.92x = 5,234,254,015.76
  5. Step 5: Solve for x
    x = 5,234,254,015.76/75,429.92
  6. Step 6: Final answer
    x = 69,392.28

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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.