Home / 103,318.66-154,977.99-33,247.18

Finding the Fourth Proportional to 103,318.66, 154,977.99 and 33,247.18

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Solution

The fourth proportional to 103,318.66, 154,977.99 and 33,247.18 is: 49,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,318.66 : 154,977.99 = 33,247.18 : x
  2. Step 2: Convert to fraction form
    103,318.66/154,977.99 = 33,247.18/x
  3. Step 3: Cross multiply
    103,318.66x = 154,977.99 × 33,247.18
  4. Step 4: Simplify right side
    103,318.66x = 5,152,581,129.57
  5. Step 5: Solve for x
    x = 5,152,581,129.57/103,318.66
  6. Step 6: Final answer
    x = 49,870.77

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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.