Home / 86,528.72-119,399.47-50,221.79

Finding the Fourth Proportional to 86,528.72, 119,399.47 and 50,221.79

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Solution

The fourth proportional to 86,528.72, 119,399.47 and 50,221.79 is: 69,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,528.72 : 119,399.47 = 50,221.79 : x
  2. Step 2: Convert to fraction form
    86,528.72/119,399.47 = 50,221.79/x
  3. Step 3: Cross multiply
    86,528.72x = 119,399.47 × 50,221.79
  4. Step 4: Simplify right side
    86,528.72x = 5,996,454,833.65
  5. Step 5: Solve for x
    x = 5,996,454,833.65/86,528.72
  6. Step 6: Final answer
    x = 69,300.17

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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.