Home / 115,051.01-158,778.05-69,733.31

Finding the Fourth Proportional to 115,051.01, 158,778.05 and 69,733.31

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Solution

The fourth proportional to 115,051.01, 158,778.05 and 69,733.31 is: 96,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,051.01 : 158,778.05 = 69,733.31 : x
  2. Step 2: Convert to fraction form
    115,051.01/158,778.05 = 69,733.31/x
  3. Step 3: Cross multiply
    115,051.01x = 158,778.05 × 69,733.31
  4. Step 4: Simplify right side
    115,051.01x = 11,072,117,839.29
  5. Step 5: Solve for x
    x = 11,072,117,839.29/115,051.01
  6. Step 6: Final answer
    x = 96,236.60

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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.