Home / 57,360.45-79,125.33-36,102.81

Finding the Fourth Proportional to 57,360.45, 79,125.33 and 36,102.81

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Solution

The fourth proportional to 57,360.45, 79,125.33 and 36,102.81 is: 49,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,360.45 : 79,125.33 = 36,102.81 : x
  2. Step 2: Convert to fraction form
    57,360.45/79,125.33 = 36,102.81/x
  3. Step 3: Cross multiply
    57,360.45x = 79,125.33 × 36,102.81
  4. Step 4: Simplify right side
    57,360.45x = 2,856,646,755.18
  5. Step 5: Solve for x
    x = 2,856,646,755.18/57,360.45
  6. Step 6: Final answer
    x = 49,801.68

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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.