Home / 80,678.20-111,335.34-44,866.12

Finding the Fourth Proportional to 80,678.20, 111,335.34 and 44,866.12

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Solution

The fourth proportional to 80,678.20, 111,335.34 and 44,866.12 is: 61,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,678.20 : 111,335.34 = 44,866.12 : x
  2. Step 2: Convert to fraction form
    80,678.20/111,335.34 = 44,866.12/x
  3. Step 3: Cross multiply
    80,678.20x = 111,335.34 × 44,866.12
  4. Step 4: Simplify right side
    80,678.20x = 4,995,184,724.68
  5. Step 5: Solve for x
    x = 4,995,184,724.68/80,678.20
  6. Step 6: Final answer
    x = 61,914.93

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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.