Home / 69,901.92-96,439.68-43,027.20

Finding the Fourth Proportional to 69,901.92, 96,439.68 and 43,027.20

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Solution

The fourth proportional to 69,901.92, 96,439.68 and 43,027.20 is: 59,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,901.92 : 96,439.68 = 43,027.20 : x
  2. Step 2: Convert to fraction form
    69,901.92/96,439.68 = 43,027.20/x
  3. Step 3: Cross multiply
    69,901.92x = 96,439.68 × 43,027.20
  4. Step 4: Simplify right side
    69,901.92x = 4,149,529,399.30
  5. Step 5: Solve for x
    x = 4,149,529,399.30/69,901.92
  6. Step 6: Final answer
    x = 59,362.17

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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.