Home / 102,576.12-141,549.29-57,257.03

Finding the Fourth Proportional to 102,576.12, 141,549.29 and 57,257.03

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Solution

The fourth proportional to 102,576.12, 141,549.29 and 57,257.03 is: 79,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,576.12 : 141,549.29 = 57,257.03 : x
  2. Step 2: Convert to fraction form
    102,576.12/141,549.29 = 57,257.03/x
  3. Step 3: Cross multiply
    102,576.12x = 141,549.29 × 57,257.03
  4. Step 4: Simplify right side
    102,576.12x = 8,104,691,944.01
  5. Step 5: Solve for x
    x = 8,104,691,944.01/102,576.12
  6. Step 6: Final answer
    x = 79,011.49

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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.