Home / 67,223.40-100,835.10-61,974.60

Finding the Fourth Proportional to 67,223.40, 100,835.10 and 61,974.60

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Solution

The fourth proportional to 67,223.40, 100,835.10 and 61,974.60 is: 92,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,223.40 : 100,835.10 = 61,974.60 : x
  2. Step 2: Convert to fraction form
    67,223.40/100,835.10 = 61,974.60/x
  3. Step 3: Cross multiply
    67,223.40x = 100,835.10 × 61,974.60
  4. Step 4: Simplify right side
    67,223.40x = 6,249,214,988.46
  5. Step 5: Solve for x
    x = 6,249,214,988.46/67,223.40
  6. Step 6: Final answer
    x = 92,961.90

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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.