Home / 80,856.20-111,580.34-46,869.32

Finding the Fourth Proportional to 80,856.20, 111,580.34 and 46,869.32

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Solution

The fourth proportional to 80,856.20, 111,580.34 and 46,869.32 is: 64,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,856.20 : 111,580.34 = 46,869.32 : x
  2. Step 2: Convert to fraction form
    80,856.20/111,580.34 = 46,869.32/x
  3. Step 3: Cross multiply
    80,856.20x = 111,580.34 × 46,869.32
  4. Step 4: Simplify right side
    80,856.20x = 5,229,694,661.17
  5. Step 5: Solve for x
    x = 5,229,694,661.17/80,856.20
  6. Step 6: Final answer
    x = 64,678.96

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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.