Home / 45,267.68-67,902.03-13,678.00

Finding the Fourth Proportional to 45,267.68, 67,902.03 and 13,678.00

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Solution

The fourth proportional to 45,267.68, 67,902.03 and 13,678.00 is: 20,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,267.68 : 67,902.03 = 13,678.00 : x
  2. Step 2: Convert to fraction form
    45,267.68/67,902.03 = 13,678.00/x
  3. Step 3: Cross multiply
    45,267.68x = 67,902.03 × 13,678.00
  4. Step 4: Simplify right side
    45,267.68x = 928,764,178.53
  5. Step 5: Solve for x
    x = 928,764,178.53/45,267.68
  6. Step 6: Final answer
    x = 20,517.16

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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.