Home / 107,085.06-147,776.13-66,796.02

Finding the Fourth Proportional to 107,085.06, 147,776.13 and 66,796.02

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Solution

The fourth proportional to 107,085.06, 147,776.13 and 66,796.02 is: 92,177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,085.06 : 147,776.13 = 66,796.02 : x
  2. Step 2: Convert to fraction form
    107,085.06/147,776.13 = 66,796.02/x
  3. Step 3: Cross multiply
    107,085.06x = 147,776.13 × 66,796.02
  4. Step 4: Simplify right side
    107,085.06x = 9,870,857,335.00
  5. Step 5: Solve for x
    x = 9,870,857,335.00/107,085.06
  6. Step 6: Final answer
    x = 92,177.73

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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.