Home / 92,920.79-139,390.38-29,725.04

Finding the Fourth Proportional to 92,920.79, 139,390.38 and 29,725.04

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Solution

The fourth proportional to 92,920.79, 139,390.38 and 29,725.04 is: 44,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,920.79 : 139,390.38 = 29,725.04 : x
  2. Step 2: Convert to fraction form
    92,920.79/139,390.38 = 29,725.04/x
  3. Step 3: Cross multiply
    92,920.79x = 139,390.38 × 29,725.04
  4. Step 4: Simplify right side
    92,920.79x = 4,143,384,621.12
  5. Step 5: Solve for x
    x = 4,143,384,621.12/92,920.79
  6. Step 6: Final answer
    x = 44,590.50

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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.