Home / 53,905.56-80,808.66-49,477.56

Finding the Fourth Proportional to 53,905.56, 80,808.66 and 49,477.56

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Solution

The fourth proportional to 53,905.56, 80,808.66 and 49,477.56 is: 74,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.56 : 80,808.66 = 49,477.56 : x
  2. Step 2: Convert to fraction form
    53,905.56/80,808.66 = 49,477.56/x
  3. Step 3: Cross multiply
    53,905.56x = 80,808.66 × 49,477.56
  4. Step 4: Simplify right side
    53,905.56x = 3,998,215,323.67
  5. Step 5: Solve for x
    x = 3,998,215,323.67/53,905.56
  6. Step 6: Final answer
    x = 74,170.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.