Home / 111,769.25-167,428.96-51,713.15

Finding the Fourth Proportional to 111,769.25, 167,428.96 and 51,713.15

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Solution

The fourth proportional to 111,769.25, 167,428.96 and 51,713.15 is: 77,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,769.25 : 167,428.96 = 51,713.15 : x
  2. Step 2: Convert to fraction form
    111,769.25/167,428.96 = 51,713.15/x
  3. Step 3: Cross multiply
    111,769.25x = 167,428.96 × 51,713.15
  4. Step 4: Simplify right side
    111,769.25x = 8,658,277,956.40
  5. Step 5: Solve for x
    x = 8,658,277,956.40/111,769.25
  6. Step 6: Final answer
    x = 77,465.66

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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.