Home / 78,949.29-108,949.90-44,957.78

Finding the Fourth Proportional to 78,949.29, 108,949.90 and 44,957.78

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Solution

The fourth proportional to 78,949.29, 108,949.90 and 44,957.78 is: 62,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,949.29 : 108,949.90 = 44,957.78 : x
  2. Step 2: Convert to fraction form
    78,949.29/108,949.90 = 44,957.78/x
  3. Step 3: Cross multiply
    78,949.29x = 108,949.90 × 44,957.78
  4. Step 4: Simplify right side
    78,949.29x = 4,898,145,635.22
  5. Step 5: Solve for x
    x = 4,898,145,635.22/78,949.29
  6. Step 6: Final answer
    x = 62,041.67

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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.