Home / 55,628.72-76,741.92-49,261.80

Finding the Fourth Proportional to 55,628.72, 76,741.92 and 49,261.80

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Solution

The fourth proportional to 55,628.72, 76,741.92 and 49,261.80 is: 67,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,628.72 : 76,741.92 = 49,261.80 : x
  2. Step 2: Convert to fraction form
    55,628.72/76,741.92 = 49,261.80/x
  3. Step 3: Cross multiply
    55,628.72x = 76,741.92 × 49,261.80
  4. Step 4: Simplify right side
    55,628.72x = 3,780,445,114.66
  5. Step 5: Solve for x
    x = 3,780,445,114.66/55,628.72
  6. Step 6: Final answer
    x = 67,958.51

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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.