Home / 80,928.60-111,706.16-46,945.68

Finding the Fourth Proportional to 80,928.60, 111,706.16 and 46,945.68

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Solution

The fourth proportional to 80,928.60, 111,706.16 and 46,945.68 is: 64,799.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,928.60 : 111,706.16 = 46,945.68 : x
  2. Step 2: Convert to fraction form
    80,928.60/111,706.16 = 46,945.68/x
  3. Step 3: Cross multiply
    80,928.60x = 111,706.16 × 46,945.68
  4. Step 4: Simplify right side
    80,928.60x = 5,244,121,641.39
  5. Step 5: Solve for x
    x = 5,244,121,641.39/80,928.60
  6. Step 6: Final answer
    x = 64,799.36

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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.