Home / 108,981.12-163,534.86-45,796.26

Finding the Fourth Proportional to 108,981.12, 163,534.86 and 45,796.26

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Solution

The fourth proportional to 108,981.12, 163,534.86 and 45,796.26 is: 68,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,981.12 : 163,534.86 = 45,796.26 : x
  2. Step 2: Convert to fraction form
    108,981.12/163,534.86 = 45,796.26/x
  3. Step 3: Cross multiply
    108,981.12x = 163,534.86 × 45,796.26
  4. Step 4: Simplify right side
    108,981.12x = 7,489,284,967.62
  5. Step 5: Solve for x
    x = 7,489,284,967.62/108,981.12
  6. Step 6: Final answer
    x = 68,720.94

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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.