Home / 109,771.43-164,657.14-43,175.16

Finding the Fourth Proportional to 109,771.43, 164,657.14 and 43,175.16

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Solution

The fourth proportional to 109,771.43, 164,657.14 and 43,175.16 is: 64,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,771.43 : 164,657.14 = 43,175.16 : x
  2. Step 2: Convert to fraction form
    109,771.43/164,657.14 = 43,175.16/x
  3. Step 3: Cross multiply
    109,771.43x = 164,657.14 × 43,175.16
  4. Step 4: Simplify right side
    109,771.43x = 7,109,098,256.70
  5. Step 5: Solve for x
    x = 7,109,098,256.70/109,771.43
  6. Step 6: Final answer
    x = 64,762.74

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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.