Home / 108,747.75-163,185.13-45,562.47

Finding the Fourth Proportional to 108,747.75, 163,185.13 and 45,562.47

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Solution

The fourth proportional to 108,747.75, 163,185.13 and 45,562.47 is: 68,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,747.75 : 163,185.13 = 45,562.47 : x
  2. Step 2: Convert to fraction form
    108,747.75/163,185.13 = 45,562.47/x
  3. Step 3: Cross multiply
    108,747.75x = 163,185.13 × 45,562.47
  4. Step 4: Simplify right side
    108,747.75x = 7,435,117,362.26
  5. Step 5: Solve for x
    x = 7,435,117,362.26/108,747.75
  6. Step 6: Final answer
    x = 68,370.31

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1.5x scale

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.