Home / 108,906.09-163,381.81-34,023.21

Finding the Fourth Proportional to 108,906.09, 163,381.81 and 34,023.21

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Solution

The fourth proportional to 108,906.09, 163,381.81 and 34,023.21 is: 51,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,906.09 : 163,381.81 = 34,023.21 : x
  2. Step 2: Convert to fraction form
    108,906.09/163,381.81 = 34,023.21/x
  3. Step 3: Cross multiply
    108,906.09x = 163,381.81 × 34,023.21
  4. Step 4: Simplify right side
    108,906.09x = 5,558,773,631.81
  5. Step 5: Solve for x
    x = 5,558,773,631.81/108,906.09
  6. Step 6: Final answer
    x = 51,041.90

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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.