Home / 101,865.03-140,566.92-61,601.00

Finding the Fourth Proportional to 101,865.03, 140,566.92 and 61,601.00

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Solution

The fourth proportional to 101,865.03, 140,566.92 and 61,601.00 is: 85,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,865.03 : 140,566.92 = 61,601.00 : x
  2. Step 2: Convert to fraction form
    101,865.03/140,566.92 = 61,601.00/x
  3. Step 3: Cross multiply
    101,865.03x = 140,566.92 × 61,601.00
  4. Step 4: Simplify right side
    101,865.03x = 8,659,062,136.09
  5. Step 5: Solve for x
    x = 8,659,062,136.09/101,865.03
  6. Step 6: Final answer
    x = 85,005.25

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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.