Home / 105,503.24-158,203.83-38,974.70

Finding the Fourth Proportional to 105,503.24, 158,203.83 and 38,974.70

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Solution

The fourth proportional to 105,503.24, 158,203.83 and 38,974.70 is: 58,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,503.24 : 158,203.83 = 38,974.70 : x
  2. Step 2: Convert to fraction form
    105,503.24/158,203.83 = 38,974.70/x
  3. Step 3: Cross multiply
    105,503.24x = 158,203.83 × 38,974.70
  4. Step 4: Simplify right side
    105,503.24x = 6,165,946,813.10
  5. Step 5: Solve for x
    x = 6,165,946,813.10/105,503.24
  6. Step 6: Final answer
    x = 58,443.20

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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.