Home / 67,421.90-101,103.46-35,824.34

Finding the Fourth Proportional to 67,421.90, 101,103.46 and 35,824.34

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Solution

The fourth proportional to 67,421.90, 101,103.46 and 35,824.34 is: 53,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.90 : 101,103.46 = 35,824.34 : x
  2. Step 2: Convert to fraction form
    67,421.90/101,103.46 = 35,824.34/x
  3. Step 3: Cross multiply
    67,421.90x = 101,103.46 × 35,824.34
  4. Step 4: Simplify right side
    67,421.90x = 3,621,964,889.41
  5. Step 5: Solve for x
    x = 3,621,964,889.41/67,421.90
  6. Step 6: Final answer
    x = 53,720.89

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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.