Home / 43,138.96-64,724.01-15,063.15

Finding the Fourth Proportional to 43,138.96, 64,724.01 and 15,063.15

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Solution

The fourth proportional to 43,138.96, 64,724.01 and 15,063.15 is: 22,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138.96 : 64,724.01 = 15,063.15 : x
  2. Step 2: Convert to fraction form
    43,138.96/64,724.01 = 15,063.15/x
  3. Step 3: Cross multiply
    43,138.96x = 64,724.01 × 15,063.15
  4. Step 4: Simplify right side
    43,138.96x = 974,947,433.57
  5. Step 5: Solve for x
    x = 974,947,433.57/43,138.96
  6. Step 6: Final answer
    x = 22,600.16

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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.