Home / 91,476.36-137,229.92-31,502.44

Finding the Fourth Proportional to 91,476.36, 137,229.92 and 31,502.44

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Solution

The fourth proportional to 91,476.36, 137,229.92 and 31,502.44 is: 47,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,476.36 : 137,229.92 = 31,502.44 : x
  2. Step 2: Convert to fraction form
    91,476.36/137,229.92 = 31,502.44/x
  3. Step 3: Cross multiply
    91,476.36x = 137,229.92 × 31,502.44
  4. Step 4: Simplify right side
    91,476.36x = 4,323,077,321.00
  5. Step 5: Solve for x
    x = 4,323,077,321.00/91,476.36
  6. Step 6: Final answer
    x = 47,258.96

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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.