Home / 106,940.40-147,593.31-61,609.56

Finding the Fourth Proportional to 106,940.40, 147,593.31 and 61,609.56

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Solution

The fourth proportional to 106,940.40, 147,593.31 and 61,609.56 is: 85,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,940.40 : 147,593.31 = 61,609.56 : x
  2. Step 2: Convert to fraction form
    106,940.40/147,593.31 = 61,609.56/x
  3. Step 3: Cross multiply
    106,940.40x = 147,593.31 × 61,609.56
  4. Step 4: Simplify right side
    106,940.40x = 9,093,158,888.04
  5. Step 5: Solve for x
    x = 9,093,158,888.04/106,940.40
  6. Step 6: Final answer
    x = 85,030.16

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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.