Home / 111,747.36-167,577.30-69,565.80

Finding the Fourth Proportional to 111,747.36, 167,577.30 and 69,565.80

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Solution

The fourth proportional to 111,747.36, 167,577.30 and 69,565.80 is: 104,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,747.36 : 167,577.30 = 69,565.80 : x
  2. Step 2: Convert to fraction form
    111,747.36/167,577.30 = 69,565.80/x
  3. Step 3: Cross multiply
    111,747.36x = 167,577.30 × 69,565.80
  4. Step 4: Simplify right side
    111,747.36x = 11,657,648,936.34
  5. Step 5: Solve for x
    x = 11,657,648,936.34/111,747.36
  6. Step 6: Final answer
    x = 104,321.47

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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.