Home / 55,374.56-82,925.22-31,623.20

Finding the Fourth Proportional to 55,374.56, 82,925.22 and 31,623.20

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Solution

The fourth proportional to 55,374.56, 82,925.22 and 31,623.20 is: 47,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374.56 : 82,925.22 = 31,623.20 : x
  2. Step 2: Convert to fraction form
    55,374.56/82,925.22 = 31,623.20/x
  3. Step 3: Cross multiply
    55,374.56x = 82,925.22 × 31,623.20
  4. Step 4: Simplify right side
    55,374.56x = 2,622,360,817.10
  5. Step 5: Solve for x
    x = 2,622,360,817.10/55,374.56
  6. Step 6: Final answer
    x = 47,356.78

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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.