Home / 72,320.67-108,551.07-34,907.04

Finding the Fourth Proportional to 72,320.67, 108,551.07 and 34,907.04

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Solution

The fourth proportional to 72,320.67, 108,551.07 and 34,907.04 is: 52,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,320.67 : 108,551.07 = 34,907.04 : x
  2. Step 2: Convert to fraction form
    72,320.67/108,551.07 = 34,907.04/x
  3. Step 3: Cross multiply
    72,320.67x = 108,551.07 × 34,907.04
  4. Step 4: Simplify right side
    72,320.67x = 3,789,196,542.53
  5. Step 5: Solve for x
    x = 3,789,196,542.53/72,320.67
  6. Step 6: Final answer
    x = 52,394.38

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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.