Home / 108,669.30-163,003.95-73,418.10

Finding the Fourth Proportional to 108,669.30, 163,003.95 and 73,418.10

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Solution

The fourth proportional to 108,669.30, 163,003.95 and 73,418.10 is: 110,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,669.30 : 163,003.95 = 73,418.10 : x
  2. Step 2: Convert to fraction form
    108,669.30/163,003.95 = 73,418.10/x
  3. Step 3: Cross multiply
    108,669.30x = 163,003.95 × 73,418.10
  4. Step 4: Simplify right side
    108,669.30x = 11,967,440,301.50
  5. Step 5: Solve for x
    x = 11,967,440,301.50/108,669.30
  6. Step 6: Final answer
    x = 110,127.15

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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.