Home / 75,623.70-113,426.90-20,224.02

Finding the Fourth Proportional to 75,623.70, 113,426.90 and 20,224.02

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Solution

The fourth proportional to 75,623.70, 113,426.90 and 20,224.02 is: 30,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.70 : 113,426.90 = 20,224.02 : x
  2. Step 2: Convert to fraction form
    75,623.70/113,426.90 = 20,224.02/x
  3. Step 3: Cross multiply
    75,623.70x = 113,426.90 × 20,224.02
  4. Step 4: Simplify right side
    75,623.70x = 2,293,947,894.14
  5. Step 5: Solve for x
    x = 2,293,947,894.14/75,623.70
  6. Step 6: Final answer
    x = 30,333.72

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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.