Home / 102,943.40-154,426.62-32,806.76

Finding the Fourth Proportional to 102,943.40, 154,426.62 and 32,806.76

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Solution

The fourth proportional to 102,943.40, 154,426.62 and 32,806.76 is: 49,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,943.40 : 154,426.62 = 32,806.76 : x
  2. Step 2: Convert to fraction form
    102,943.40/154,426.62 = 32,806.76/x
  3. Step 3: Cross multiply
    102,943.40x = 154,426.62 × 32,806.76
  4. Step 4: Simplify right side
    102,943.40x = 5,066,237,059.95
  5. Step 5: Solve for x
    x = 5,066,237,059.95/102,943.40
  6. Step 6: Final answer
    x = 49,213.81

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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.