Home / 77,550.40-116,226.78-33,165.64

Finding the Fourth Proportional to 77,550.40, 116,226.78 and 33,165.64

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Solution

The fourth proportional to 77,550.40, 116,226.78 and 33,165.64 is: 49,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,550.40 : 116,226.78 = 33,165.64 : x
  2. Step 2: Convert to fraction form
    77,550.40/116,226.78 = 33,165.64/x
  3. Step 3: Cross multiply
    77,550.40x = 116,226.78 × 33,165.64
  4. Step 4: Simplify right side
    77,550.40x = 3,854,735,543.84
  5. Step 5: Solve for x
    x = 3,854,735,543.84/77,550.40
  6. Step 6: Final answer
    x = 49,706.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.