Home / 111,450.08-167,186.81-48,276.61

Finding the Fourth Proportional to 111,450.08, 167,186.81 and 48,276.61

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Solution

The fourth proportional to 111,450.08, 167,186.81 and 48,276.61 is: 72,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,450.08 : 167,186.81 = 48,276.61 : x
  2. Step 2: Convert to fraction form
    111,450.08/167,186.81 = 48,276.61/x
  3. Step 3: Cross multiply
    111,450.08x = 167,186.81 × 48,276.61
  4. Step 4: Simplify right side
    111,450.08x = 8,071,212,126.24
  5. Step 5: Solve for x
    x = 8,071,212,126.24/111,450.08
  6. Step 6: Final answer
    x = 72,419.97

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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.