Home / 55,684.51-76,845.18-30,190.81

Finding the Fourth Proportional to 55,684.51, 76,845.18 and 30,190.81

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Solution

The fourth proportional to 55,684.51, 76,845.18 and 30,190.81 is: 41,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,684.51 : 76,845.18 = 30,190.81 : x
  2. Step 2: Convert to fraction form
    55,684.51/76,845.18 = 30,190.81/x
  3. Step 3: Cross multiply
    55,684.51x = 76,845.18 × 30,190.81
  4. Step 4: Simplify right side
    55,684.51x = 2,320,017,885.73
  5. Step 5: Solve for x
    x = 2,320,017,885.73/55,684.51
  6. Step 6: Final answer
    x = 41,663.61

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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.