Home / 105,627.36-158,454.72-43,283.04

Finding the Fourth Proportional to 105,627.36, 158,454.72 and 43,283.04

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Solution

The fourth proportional to 105,627.36, 158,454.72 and 43,283.04 is: 64,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,627.36 : 158,454.72 = 43,283.04 : x
  2. Step 2: Convert to fraction form
    105,627.36/158,454.72 = 43,283.04/x
  3. Step 3: Cross multiply
    105,627.36x = 158,454.72 × 43,283.04
  4. Step 4: Simplify right side
    105,627.36x = 6,858,401,983.95
  5. Step 5: Solve for x
    x = 6,858,401,983.95/105,627.36
  6. Step 6: Final answer
    x = 64,930.17

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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.