Home / 82,721.08-114,156.30-50,871.16

Finding the Fourth Proportional to 82,721.08, 114,156.30 and 50,871.16

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Solution

The fourth proportional to 82,721.08, 114,156.30 and 50,871.16 is: 70,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721.08 : 114,156.30 = 50,871.16 : x
  2. Step 2: Convert to fraction form
    82,721.08/114,156.30 = 50,871.16/x
  3. Step 3: Cross multiply
    82,721.08x = 114,156.30 × 50,871.16
  4. Step 4: Simplify right side
    82,721.08x = 5,807,263,402.31
  5. Step 5: Solve for x
    x = 5,807,263,402.31/82,721.08
  6. Step 6: Final answer
    x = 70,202.94

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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.