Home / 109,820.48-164,771.72-43,306.98

Finding the Fourth Proportional to 109,820.48, 164,771.72 and 43,306.98

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Solution

The fourth proportional to 109,820.48, 164,771.72 and 43,306.98 is: 64,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,820.48 : 164,771.72 = 43,306.98 : x
  2. Step 2: Convert to fraction form
    109,820.48/164,771.72 = 43,306.98/x
  3. Step 3: Cross multiply
    109,820.48x = 164,771.72 × 43,306.98
  4. Step 4: Simplify right side
    109,820.48x = 7,135,765,366.07
  5. Step 5: Solve for x
    x = 7,135,765,366.07/109,820.48
  6. Step 6: Final answer
    x = 64,976.64

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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.