Home / 103,311.36-154,966.32-29,439.36

Finding the Fourth Proportional to 103,311.36, 154,966.32 and 29,439.36

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Solution

The fourth proportional to 103,311.36, 154,966.32 and 29,439.36 is: 44,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,311.36 : 154,966.32 = 29,439.36 : x
  2. Step 2: Convert to fraction form
    103,311.36/154,966.32 = 29,439.36/x
  3. Step 3: Cross multiply
    103,311.36x = 154,966.32 × 29,439.36
  4. Step 4: Simplify right side
    103,311.36x = 4,562,109,282.36
  5. Step 5: Solve for x
    x = 4,562,109,282.36/103,311.36
  6. Step 6: Final answer
    x = 44,158.83

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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.