Home / 82,979.10-114,521.45-50,707.08

Finding the Fourth Proportional to 82,979.10, 114,521.45 and 50,707.08

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Solution

The fourth proportional to 82,979.10, 114,521.45 and 50,707.08 is: 69,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,979.10 : 114,521.45 = 50,707.08 : x
  2. Step 2: Convert to fraction form
    82,979.10/114,521.45 = 50,707.08/x
  3. Step 3: Cross multiply
    82,979.10x = 114,521.45 × 50,707.08
  4. Step 4: Simplify right side
    82,979.10x = 5,807,048,073.33
  5. Step 5: Solve for x
    x = 5,807,048,073.33/82,979.10
  6. Step 6: Final answer
    x = 69,982.06

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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.