Home / 86,932.56-119,958.85-49,206.81

Finding the Fourth Proportional to 86,932.56, 119,958.85 and 49,206.81

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Solution

The fourth proportional to 86,932.56, 119,958.85 and 49,206.81 is: 67,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932.56 : 119,958.85 = 49,206.81 : x
  2. Step 2: Convert to fraction form
    86,932.56/119,958.85 = 49,206.81/x
  3. Step 3: Cross multiply
    86,932.56x = 119,958.85 × 49,206.81
  4. Step 4: Simplify right side
    86,932.56x = 5,902,792,339.77
  5. Step 5: Solve for x
    x = 5,902,792,339.77/86,932.56
  6. Step 6: Final answer
    x = 67,900.82

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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.