Home / 64,590.12-89,138.04-43,042.44

Finding the Fourth Proportional to 64,590.12, 89,138.04 and 43,042.44

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Solution

The fourth proportional to 64,590.12, 89,138.04 and 43,042.44 is: 59,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,590.12 : 89,138.04 = 43,042.44 : x
  2. Step 2: Convert to fraction form
    64,590.12/89,138.04 = 43,042.44/x
  3. Step 3: Cross multiply
    64,590.12x = 89,138.04 × 43,042.44
  4. Step 4: Simplify right side
    64,590.12x = 3,836,718,738.42
  5. Step 5: Solve for x
    x = 3,836,718,738.42/64,590.12
  6. Step 6: Final answer
    x = 59,401.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.