Home / 106,557.93-159,825.96-66,995.10

Finding the Fourth Proportional to 106,557.93, 159,825.96 and 66,995.10

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Solution

The fourth proportional to 106,557.93, 159,825.96 and 66,995.10 is: 100,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,557.93 : 159,825.96 = 66,995.10 : x
  2. Step 2: Convert to fraction form
    106,557.93/159,825.96 = 66,995.10/x
  3. Step 3: Cross multiply
    106,557.93x = 159,825.96 × 66,995.10
  4. Step 4: Simplify right side
    106,557.93x = 10,707,556,172.80
  5. Step 5: Solve for x
    x = 10,707,556,172.80/106,557.93
  6. Step 6: Final answer
    x = 100,485.77

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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.