Home / 66,110.56-99,185.28-26,647.36

Finding the Fourth Proportional to 66,110.56, 99,185.28 and 26,647.36

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Solution

The fourth proportional to 66,110.56, 99,185.28 and 26,647.36 is: 39,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,110.56 : 99,185.28 = 26,647.36 : x
  2. Step 2: Convert to fraction form
    66,110.56/99,185.28 = 26,647.36/x
  3. Step 3: Cross multiply
    66,110.56x = 99,185.28 × 26,647.36
  4. Step 4: Simplify right side
    66,110.56x = 2,643,025,862.86
  5. Step 5: Solve for x
    x = 2,643,025,862.86/66,110.56
  6. Step 6: Final answer
    x = 39,978.88

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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.