Home / 55,781.17-76,912.95-41,609.41

Finding the Fourth Proportional to 55,781.17, 76,912.95 and 41,609.41

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Solution

The fourth proportional to 55,781.17, 76,912.95 and 41,609.41 is: 57,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,781.17 : 76,912.95 = 41,609.41 : x
  2. Step 2: Convert to fraction form
    55,781.17/76,912.95 = 41,609.41/x
  3. Step 3: Cross multiply
    55,781.17x = 76,912.95 × 41,609.41
  4. Step 4: Simplify right side
    55,781.17x = 3,200,302,470.86
  5. Step 5: Solve for x
    x = 3,200,302,470.86/55,781.17
  6. Step 6: Final answer
    x = 57,372.45

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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.