Home / 100,561.26-150,897.30-61,146.06

Finding the Fourth Proportional to 100,561.26, 150,897.30 and 61,146.06

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Solution

The fourth proportional to 100,561.26, 150,897.30 and 61,146.06 is: 91,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,561.26 : 150,897.30 = 61,146.06 : x
  2. Step 2: Convert to fraction form
    100,561.26/150,897.30 = 61,146.06/x
  3. Step 3: Cross multiply
    100,561.26x = 150,897.30 × 61,146.06
  4. Step 4: Simplify right side
    100,561.26x = 9,226,775,359.64
  5. Step 5: Solve for x
    x = 9,226,775,359.64/100,561.26
  6. Step 6: Final answer
    x = 91,752.78

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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.