Home / 54,233.76-81,475.51-38,477.91

Finding the Fourth Proportional to 54,233.76, 81,475.51 and 38,477.91

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Solution

The fourth proportional to 54,233.76, 81,475.51 and 38,477.91 is: 57,805.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,233.76 : 81,475.51 = 38,477.91 : x
  2. Step 2: Convert to fraction form
    54,233.76/81,475.51 = 38,477.91/x
  3. Step 3: Cross multiply
    54,233.76x = 81,475.51 × 38,477.91
  4. Step 4: Simplify right side
    54,233.76x = 3,135,006,933.61
  5. Step 5: Solve for x
    x = 3,135,006,933.61/54,233.76
  6. Step 6: Final answer
    x = 57,805.46

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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.