Home / 66,113.07-91,235.55-35,897.82

Finding the Fourth Proportional to 66,113.07, 91,235.55 and 35,897.82

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Solution

The fourth proportional to 66,113.07, 91,235.55 and 35,897.82 is: 49,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113.07 : 91,235.55 = 35,897.82 : x
  2. Step 2: Convert to fraction form
    66,113.07/91,235.55 = 35,897.82/x
  3. Step 3: Cross multiply
    66,113.07x = 91,235.55 × 35,897.82
  4. Step 4: Simplify right side
    66,113.07x = 3,275,157,351.50
  5. Step 5: Solve for x
    x = 3,275,157,351.50/66,113.07
  6. Step 6: Final answer
    x = 49,538.73

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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.