Home / 49,982.20-74,981.70-14,925.40

Finding the Fourth Proportional to 49,982.20, 74,981.70 and 14,925.40

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Solution

The fourth proportional to 49,982.20, 74,981.70 and 14,925.40 is: 22,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,982.20 : 74,981.70 = 14,925.40 : x
  2. Step 2: Convert to fraction form
    49,982.20/74,981.70 = 14,925.40/x
  3. Step 3: Cross multiply
    49,982.20x = 74,981.70 × 14,925.40
  4. Step 4: Simplify right side
    49,982.20x = 1,119,131,865.18
  5. Step 5: Solve for x
    x = 1,119,131,865.18/49,982.20
  6. Step 6: Final answer
    x = 22,390.61

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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.