Home / 66,137.34-91,270.19-35,923.25

Finding the Fourth Proportional to 66,137.34, 91,270.19 and 35,923.25

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Solution

The fourth proportional to 66,137.34, 91,270.19 and 35,923.25 is: 49,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,137.34 : 91,270.19 = 35,923.25 : x
  2. Step 2: Convert to fraction form
    66,137.34/91,270.19 = 35,923.25/x
  3. Step 3: Cross multiply
    66,137.34x = 91,270.19 × 35,923.25
  4. Step 4: Simplify right side
    66,137.34x = 3,278,721,657.51
  5. Step 5: Solve for x
    x = 3,278,721,657.51/66,137.34
  6. Step 6: Final answer
    x = 49,574.44

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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.