Home / 113,133.06-169,736.45-53,961.03

Finding the Fourth Proportional to 113,133.06, 169,736.45 and 53,961.03

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Solution

The fourth proportional to 113,133.06, 169,736.45 and 53,961.03 is: 80,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,133.06 : 169,736.45 = 53,961.03 : x
  2. Step 2: Convert to fraction form
    113,133.06/169,736.45 = 53,961.03/x
  3. Step 3: Cross multiply
    113,133.06x = 169,736.45 × 53,961.03
  4. Step 4: Simplify right side
    113,133.06x = 9,159,153,670.54
  5. Step 5: Solve for x
    x = 9,159,153,670.54/113,133.06
  6. Step 6: Final answer
    x = 80,959.13

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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.