Home / 86,524.80-119,429.76-50,722.56

Finding the Fourth Proportional to 86,524.80, 119,429.76 and 50,722.56

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Solution

The fourth proportional to 86,524.80, 119,429.76 and 50,722.56 is: 70,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,524.80 : 119,429.76 = 50,722.56 : x
  2. Step 2: Convert to fraction form
    86,524.80/119,429.76 = 50,722.56/x
  3. Step 3: Cross multiply
    86,524.80x = 119,429.76 × 50,722.56
  4. Step 4: Simplify right side
    86,524.80x = 6,057,783,167.39
  5. Step 5: Solve for x
    x = 6,057,783,167.39/86,524.80
  6. Step 6: Final answer
    x = 70,012.10

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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.