Home / 102,533.31-141,506.91-57,227.04

Finding the Fourth Proportional to 102,533.31, 141,506.91 and 57,227.04

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Solution

The fourth proportional to 102,533.31, 141,506.91 and 57,227.04 is: 78,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,533.31 : 141,506.91 = 57,227.04 : x
  2. Step 2: Convert to fraction form
    102,533.31/141,506.91 = 57,227.04/x
  3. Step 3: Cross multiply
    102,533.31x = 141,506.91 × 57,227.04
  4. Step 4: Simplify right side
    102,533.31x = 8,098,021,598.85
  5. Step 5: Solve for x
    x = 8,098,021,598.85/102,533.31
  6. Step 6: Final answer
    x = 78,979.42

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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.