Home / 83,979.40-125,896.20-50,664.10

Finding the Fourth Proportional to 83,979.40, 125,896.20 and 50,664.10

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Solution

The fourth proportional to 83,979.40, 125,896.20 and 50,664.10 is: 75,952.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,979.40 : 125,896.20 = 50,664.10 : x
  2. Step 2: Convert to fraction form
    83,979.40/125,896.20 = 50,664.10/x
  3. Step 3: Cross multiply
    83,979.40x = 125,896.20 × 50,664.10
  4. Step 4: Simplify right side
    83,979.40x = 6,378,417,666.42
  5. Step 5: Solve for x
    x = 6,378,417,666.42/83,979.40
  6. Step 6: Final answer
    x = 75,952.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.