Home / 108,728.12-163,066.93-29,848.70

Finding the Fourth Proportional to 108,728.12, 163,066.93 and 29,848.70

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Solution

The fourth proportional to 108,728.12, 163,066.93 and 29,848.70 is: 44,766.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,728.12 : 163,066.93 = 29,848.70 : x
  2. Step 2: Convert to fraction form
    108,728.12/163,066.93 = 29,848.70/x
  3. Step 3: Cross multiply
    108,728.12x = 163,066.93 × 29,848.70
  4. Step 4: Simplify right side
    108,728.12x = 4,867,335,873.49
  5. Step 5: Solve for x
    x = 4,867,335,873.49/108,728.12
  6. Step 6: Final answer
    x = 44,766.12

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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.