Home / 82,871.46-114,362.64-45,145.70

Finding the Fourth Proportional to 82,871.46, 114,362.64 and 45,145.70

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Solution

The fourth proportional to 82,871.46, 114,362.64 and 45,145.70 is: 62,301.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,871.46 : 114,362.64 = 45,145.70 : x
  2. Step 2: Convert to fraction form
    82,871.46/114,362.64 = 45,145.70/x
  3. Step 3: Cross multiply
    82,871.46x = 114,362.64 × 45,145.70
  4. Step 4: Simplify right side
    82,871.46x = 5,162,981,436.65
  5. Step 5: Solve for x
    x = 5,162,981,436.65/82,871.46
  6. Step 6: Final answer
    x = 62,301.08

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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.