Home / 55,148.56-76,091.76-32,485.78

Finding the Fourth Proportional to 55,148.56, 76,091.76 and 32,485.78

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Solution

The fourth proportional to 55,148.56, 76,091.76 and 32,485.78 is: 44,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,148.56 : 76,091.76 = 32,485.78 : x
  2. Step 2: Convert to fraction form
    55,148.56/76,091.76 = 32,485.78/x
  3. Step 3: Cross multiply
    55,148.56x = 76,091.76 × 32,485.78
  4. Step 4: Simplify right side
    55,148.56x = 2,471,900,175.17
  5. Step 5: Solve for x
    x = 2,471,900,175.17/55,148.56
  6. Step 6: Final answer
    x = 44,822.57

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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.