Home / 86,264.39-119,006.21-50,438.90

Finding the Fourth Proportional to 86,264.39, 119,006.21 and 50,438.90

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Solution

The fourth proportional to 86,264.39, 119,006.21 and 50,438.90 is: 69,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,264.39 : 119,006.21 = 50,438.90 : x
  2. Step 2: Convert to fraction form
    86,264.39/119,006.21 = 50,438.90/x
  3. Step 3: Cross multiply
    86,264.39x = 119,006.21 × 50,438.90
  4. Step 4: Simplify right side
    86,264.39x = 6,002,542,749.18
  5. Step 5: Solve for x
    x = 6,002,542,749.18/86,264.39
  6. Step 6: Final answer
    x = 69,583.09

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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.