Home / 86,388.81-119,226.26-48,151.85

Finding the Fourth Proportional to 86,388.81, 119,226.26 and 48,151.85

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Solution

The fourth proportional to 86,388.81, 119,226.26 and 48,151.85 is: 66,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,388.81 : 119,226.26 = 48,151.85 : x
  2. Step 2: Convert to fraction form
    86,388.81/119,226.26 = 48,151.85/x
  3. Step 3: Cross multiply
    86,388.81x = 119,226.26 × 48,151.85
  4. Step 4: Simplify right side
    86,388.81x = 5,740,965,182.48
  5. Step 5: Solve for x
    x = 5,740,965,182.48/86,388.81
  6. Step 6: Final answer
    x = 66,454.96

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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.