Home / 55,056.76-76,001.60-37,176

Finding the Fourth Proportional to 55,056.76, 76,001.60 and 37,176

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Solution

The fourth proportional to 55,056.76, 76,001.60 and 37,176 is: 51,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,056.76 : 76,001.60 = 37,176 : x
  2. Step 2: Convert to fraction form
    55,056.76/76,001.60 = 37,176/x
  3. Step 3: Cross multiply
    55,056.76x = 76,001.60 × 37,176
  4. Step 4: Simplify right side
    55,056.76x = 2,825,435,481.60
  5. Step 5: Solve for x
    x = 2,825,435,481.60/55,056.76
  6. Step 6: Final answer
    x = 51,318.59

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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.