Home / 92,763.92-139,166.04-30,432.08

Finding the Fourth Proportional to 92,763.92, 139,166.04 and 30,432.08

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Solution

The fourth proportional to 92,763.92, 139,166.04 and 30,432.08 is: 45,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,763.92 : 139,166.04 = 30,432.08 : x
  2. Step 2: Convert to fraction form
    92,763.92/139,166.04 = 30,432.08/x
  3. Step 3: Cross multiply
    92,763.92x = 139,166.04 × 30,432.08
  4. Step 4: Simplify right side
    92,763.92x = 4,235,112,062.56
  5. Step 5: Solve for x
    x = 4,235,112,062.56/92,763.92
  6. Step 6: Final answer
    x = 45,654.73

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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.