Home / 108,845.96-163,332-45,660.50

Finding the Fourth Proportional to 108,845.96, 163,332 and 45,660.50

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Solution

The fourth proportional to 108,845.96, 163,332 and 45,660.50 is: 68,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,845.96 : 163,332 = 45,660.50 : x
  2. Step 2: Convert to fraction form
    108,845.96/163,332 = 45,660.50/x
  3. Step 3: Cross multiply
    108,845.96x = 163,332 × 45,660.50
  4. Step 4: Simplify right side
    108,845.96x = 7,457,820,786
  5. Step 5: Solve for x
    x = 7,457,820,786/108,845.96
  6. Step 6: Final answer
    x = 68,517.20

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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.