Home / 106,541.51-159,770.76-39,945.32

Finding the Fourth Proportional to 106,541.51, 159,770.76 and 39,945.32

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Solution

The fourth proportional to 106,541.51, 159,770.76 and 39,945.32 is: 59,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,541.51 : 159,770.76 = 39,945.32 : x
  2. Step 2: Convert to fraction form
    106,541.51/159,770.76 = 39,945.32/x
  3. Step 3: Cross multiply
    106,541.51x = 159,770.76 × 39,945.32
  4. Step 4: Simplify right side
    106,541.51x = 6,382,094,134.84
  5. Step 5: Solve for x
    x = 6,382,094,134.84/106,541.51
  6. Step 6: Final answer
    x = 59,902.42

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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.