Home / 67,986.21-101,968.77-34,730.85

Finding the Fourth Proportional to 67,986.21, 101,968.77 and 34,730.85

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Solution

The fourth proportional to 67,986.21, 101,968.77 and 34,730.85 is: 52,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,986.21 : 101,968.77 = 34,730.85 : x
  2. Step 2: Convert to fraction form
    67,986.21/101,968.77 = 34,730.85/x
  3. Step 3: Cross multiply
    67,986.21x = 101,968.77 × 34,730.85
  4. Step 4: Simplify right side
    67,986.21x = 3,541,462,055.55
  5. Step 5: Solve for x
    x = 3,541,462,055.55/67,986.21
  6. Step 6: Final answer
    x = 52,090.89

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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.