Home / 57,515.48-79,437.83-38,361.99

Finding the Fourth Proportional to 57,515.48, 79,437.83 and 38,361.99

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Solution

The fourth proportional to 57,515.48, 79,437.83 and 38,361.99 is: 52,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,515.48 : 79,437.83 = 38,361.99 : x
  2. Step 2: Convert to fraction form
    57,515.48/79,437.83 = 38,361.99/x
  3. Step 3: Cross multiply
    57,515.48x = 79,437.83 × 38,361.99
  4. Step 4: Simplify right side
    57,515.48x = 3,047,393,048.27
  5. Step 5: Solve for x
    x = 3,047,393,048.27/57,515.48
  6. Step 6: Final answer
    x = 52,983.88

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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.