Home / 103,042.19-154,518.72-35,581.34

Finding the Fourth Proportional to 103,042.19, 154,518.72 and 35,581.34

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Solution

The fourth proportional to 103,042.19, 154,518.72 and 35,581.34 is: 53,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,042.19 : 154,518.72 = 35,581.34 : x
  2. Step 2: Convert to fraction form
    103,042.19/154,518.72 = 35,581.34/x
  3. Step 3: Cross multiply
    103,042.19x = 154,518.72 × 35,581.34
  4. Step 4: Simplify right side
    103,042.19x = 5,497,983,112.68
  5. Step 5: Solve for x
    x = 5,497,983,112.68/103,042.19
  6. Step 6: Final answer
    x = 53,356.62

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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.