Home / 86,327.40-119,131.38-48,601.92

Finding the Fourth Proportional to 86,327.40, 119,131.38 and 48,601.92

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Solution

The fourth proportional to 86,327.40, 119,131.38 and 48,601.92 is: 67,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,327.40 : 119,131.38 = 48,601.92 : x
  2. Step 2: Convert to fraction form
    86,327.40/119,131.38 = 48,601.92/x
  3. Step 3: Cross multiply
    86,327.40x = 119,131.38 × 48,601.92
  4. Step 4: Simplify right side
    86,327.40x = 5,790,013,800.25
  5. Step 5: Solve for x
    x = 5,790,013,800.25/86,327.40
  6. Step 6: Final answer
    x = 67,070.41

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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.