Home / 104,579.16-156,780.62-45,370.28

Finding the Fourth Proportional to 104,579.16, 156,780.62 and 45,370.28

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Solution

The fourth proportional to 104,579.16, 156,780.62 and 45,370.28 is: 68,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,579.16 : 156,780.62 = 45,370.28 : x
  2. Step 2: Convert to fraction form
    104,579.16/156,780.62 = 45,370.28/x
  3. Step 3: Cross multiply
    104,579.16x = 156,780.62 × 45,370.28
  4. Step 4: Simplify right side
    104,579.16x = 7,113,180,627.97
  5. Step 5: Solve for x
    x = 7,113,180,627.97/104,579.16
  6. Step 6: Final answer
    x = 68,017.19

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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.