Home / 72,760.08-108,981.92-44,595.12

Finding the Fourth Proportional to 72,760.08, 108,981.92 and 44,595.12

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Solution

The fourth proportional to 72,760.08, 108,981.92 and 44,595.12 is: 66,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,760.08 : 108,981.92 = 44,595.12 : x
  2. Step 2: Convert to fraction form
    72,760.08/108,981.92 = 44,595.12/x
  3. Step 3: Cross multiply
    72,760.08x = 108,981.92 × 44,595.12
  4. Step 4: Simplify right side
    72,760.08x = 4,860,061,800.23
  5. Step 5: Solve for x
    x = 4,860,061,800.23/72,760.08
  6. Step 6: Final answer
    x = 66,795.72

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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.