Home / 86,631.72-119,550.78-50,814.84

Finding the Fourth Proportional to 86,631.72, 119,550.78 and 50,814.84

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Solution

The fourth proportional to 86,631.72, 119,550.78 and 50,814.84 is: 70,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,631.72 : 119,550.78 = 50,814.84 : x
  2. Step 2: Convert to fraction form
    86,631.72/119,550.78 = 50,814.84/x
  3. Step 3: Cross multiply
    86,631.72x = 119,550.78 × 50,814.84
  4. Step 4: Simplify right side
    86,631.72x = 6,074,953,757.58
  5. Step 5: Solve for x
    x = 6,074,953,757.58/86,631.72
  6. Step 6: Final answer
    x = 70,123.90

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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.