Home / 72,954.41-100,671.05-41,131.13

Finding the Fourth Proportional to 72,954.41, 100,671.05 and 41,131.13

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Solution

The fourth proportional to 72,954.41, 100,671.05 and 41,131.13 is: 56,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,954.41 : 100,671.05 = 41,131.13 : x
  2. Step 2: Convert to fraction form
    72,954.41/100,671.05 = 41,131.13/x
  3. Step 3: Cross multiply
    72,954.41x = 100,671.05 × 41,131.13
  4. Step 4: Simplify right side
    72,954.41x = 4,140,713,644.26
  5. Step 5: Solve for x
    x = 4,140,713,644.26/72,954.41
  6. Step 6: Final answer
    x = 56,757.55

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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.