Home / 91,524.39-126,297.72-51,237.81

Finding the Fourth Proportional to 91,524.39, 126,297.72 and 51,237.81

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Solution

The fourth proportional to 91,524.39, 126,297.72 and 51,237.81 is: 70,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,524.39 : 126,297.72 = 51,237.81 : x
  2. Step 2: Convert to fraction form
    91,524.39/126,297.72 = 51,237.81/x
  3. Step 3: Cross multiply
    91,524.39x = 126,297.72 × 51,237.81
  4. Step 4: Simplify right side
    91,524.39x = 6,471,218,580.79
  5. Step 5: Solve for x
    x = 6,471,218,580.79/91,524.39
  6. Step 6: Final answer
    x = 70,704.85

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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.