Home / 86,359.20-119,173.50-48,118.92

Finding the Fourth Proportional to 86,359.20, 119,173.50 and 48,118.92

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Solution

The fourth proportional to 86,359.20, 119,173.50 and 48,118.92 is: 66,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,359.20 : 119,173.50 = 48,118.92 : x
  2. Step 2: Convert to fraction form
    86,359.20/119,173.50 = 48,118.92/x
  3. Step 3: Cross multiply
    86,359.20x = 119,173.50 × 48,118.92
  4. Step 4: Simplify right side
    86,359.20x = 5,734,500,112.62
  5. Step 5: Solve for x
    x = 5,734,500,112.62/86,359.20
  6. Step 6: Final answer
    x = 66,402.89

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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.