Home / 115,092.30-158,835.35-69,772.19

Finding the Fourth Proportional to 115,092.30, 158,835.35 and 69,772.19

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Solution

The fourth proportional to 115,092.30, 158,835.35 and 69,772.19 is: 96,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,092.30 : 158,835.35 = 69,772.19 : x
  2. Step 2: Convert to fraction form
    115,092.30/158,835.35 = 69,772.19/x
  3. Step 3: Cross multiply
    115,092.30x = 158,835.35 × 69,772.19
  4. Step 4: Simplify right side
    115,092.30x = 11,082,290,790.44
  5. Step 5: Solve for x
    x = 11,082,290,790.44/115,092.30
  6. Step 6: Final answer
    x = 96,290.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.