Home / 72,929.90-109,414.29-26,183.18

Finding the Fourth Proportional to 72,929.90, 109,414.29 and 26,183.18

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Solution

The fourth proportional to 72,929.90, 109,414.29 and 26,183.18 is: 39,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929.90 : 109,414.29 = 26,183.18 : x
  2. Step 2: Convert to fraction form
    72,929.90/109,414.29 = 26,183.18/x
  3. Step 3: Cross multiply
    72,929.90x = 109,414.29 × 26,183.18
  4. Step 4: Simplify right side
    72,929.90x = 2,864,813,502.57
  5. Step 5: Solve for x
    x = 2,864,813,502.57/72,929.90
  6. Step 6: Final answer
    x = 39,281.74

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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.