Home / 91,268.46-125,897.91-54,944.64

Finding the Fourth Proportional to 91,268.46, 125,897.91 and 54,944.64

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Solution

The fourth proportional to 91,268.46, 125,897.91 and 54,944.64 is: 75,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,268.46 : 125,897.91 = 54,944.64 : x
  2. Step 2: Convert to fraction form
    91,268.46/125,897.91 = 54,944.64/x
  3. Step 3: Cross multiply
    91,268.46x = 125,897.91 × 54,944.64
  4. Step 4: Simplify right side
    91,268.46x = 6,917,415,341.70
  5. Step 5: Solve for x
    x = 6,917,415,341.70/91,268.46
  6. Step 6: Final answer
    x = 75,791.96

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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.