Home / 62,980.14-86,912.66-34,299.84

Finding the Fourth Proportional to 62,980.14, 86,912.66 and 34,299.84

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Solution

The fourth proportional to 62,980.14, 86,912.66 and 34,299.84 is: 47,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,980.14 : 86,912.66 = 34,299.84 : x
  2. Step 2: Convert to fraction form
    62,980.14/86,912.66 = 34,299.84/x
  3. Step 3: Cross multiply
    62,980.14x = 86,912.66 × 34,299.84
  4. Step 4: Simplify right side
    62,980.14x = 2,981,090,331.97
  5. Step 5: Solve for x
    x = 2,981,090,331.97/62,980.14
  6. Step 6: Final answer
    x = 47,333.82

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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.