Home / 86,626.87-119,543.78-48,387.11

Finding the Fourth Proportional to 86,626.87, 119,543.78 and 48,387.11

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Solution

The fourth proportional to 86,626.87, 119,543.78 and 48,387.11 is: 66,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,626.87 : 119,543.78 = 48,387.11 : x
  2. Step 2: Convert to fraction form
    86,626.87/119,543.78 = 48,387.11/x
  3. Step 3: Cross multiply
    86,626.87x = 119,543.78 × 48,387.11
  4. Step 4: Simplify right side
    86,626.87x = 5,784,377,555.92
  5. Step 5: Solve for x
    x = 5,784,377,555.92/86,626.87
  6. Step 6: Final answer
    x = 66,773.48

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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.