Home / 106,363.45-159,570.64-30,463.05

Finding the Fourth Proportional to 106,363.45, 159,570.64 and 30,463.05

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Solution

The fourth proportional to 106,363.45, 159,570.64 and 30,463.05 is: 45,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,363.45 : 159,570.64 = 30,463.05 : x
  2. Step 2: Convert to fraction form
    106,363.45/159,570.64 = 30,463.05/x
  3. Step 3: Cross multiply
    106,363.45x = 159,570.64 × 30,463.05
  4. Step 4: Simplify right side
    106,363.45x = 4,861,009,021.32
  5. Step 5: Solve for x
    x = 4,861,009,021.32/106,363.45
  6. Step 6: Final answer
    x = 45,701.88

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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.