Home / 91,671.43-137,507.27-25,112.15

Finding the Fourth Proportional to 91,671.43, 137,507.27 and 25,112.15

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Solution

The fourth proportional to 91,671.43, 137,507.27 and 25,112.15 is: 37,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,671.43 : 137,507.27 = 25,112.15 : x
  2. Step 2: Convert to fraction form
    91,671.43/137,507.27 = 25,112.15/x
  3. Step 3: Cross multiply
    91,671.43x = 137,507.27 × 25,112.15
  4. Step 4: Simplify right side
    91,671.43x = 3,453,102,377.23
  5. Step 5: Solve for x
    x = 3,453,102,377.23/91,671.43
  6. Step 6: Final answer
    x = 37,668.25

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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.