Home / 86,711.42-119,661.73-50,901.42

Finding the Fourth Proportional to 86,711.42, 119,661.73 and 50,901.42

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Solution

The fourth proportional to 86,711.42, 119,661.73 and 50,901.42 is: 70,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,711.42 : 119,661.73 = 50,901.42 : x
  2. Step 2: Convert to fraction form
    86,711.42/119,661.73 = 50,901.42/x
  3. Step 3: Cross multiply
    86,711.42x = 119,661.73 × 50,901.42
  4. Step 4: Simplify right side
    86,711.42x = 6,090,951,976.66
  5. Step 5: Solve for x
    x = 6,090,951,976.66/86,711.42
  6. Step 6: Final answer
    x = 70,243.94

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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.