Home / 86,327.28-119,103.12-50,491.92

Finding the Fourth Proportional to 86,327.28, 119,103.12 and 50,491.92

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Solution

The fourth proportional to 86,327.28, 119,103.12 and 50,491.92 is: 69,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,327.28 : 119,103.12 = 50,491.92 : x
  2. Step 2: Convert to fraction form
    86,327.28/119,103.12 = 50,491.92/x
  3. Step 3: Cross multiply
    86,327.28x = 119,103.12 × 50,491.92
  4. Step 4: Simplify right side
    86,327.28x = 6,013,745,206.79
  5. Step 5: Solve for x
    x = 6,013,745,206.79/86,327.28
  6. Step 6: Final answer
    x = 69,662.16

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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.