Home / 78,027.92-107,678.46-44,043.56

Finding the Fourth Proportional to 78,027.92, 107,678.46 and 44,043.56

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Solution

The fourth proportional to 78,027.92, 107,678.46 and 44,043.56 is: 60,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,027.92 : 107,678.46 = 44,043.56 : x
  2. Step 2: Convert to fraction form
    78,027.92/107,678.46 = 44,043.56/x
  3. Step 3: Cross multiply
    78,027.92x = 107,678.46 × 44,043.56
  4. Step 4: Simplify right side
    78,027.92x = 4,742,542,713.72
  5. Step 5: Solve for x
    x = 4,742,542,713.72/78,027.92
  6. Step 6: Final answer
    x = 60,780.07

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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.