Home / 61,404.20-92,106.30-21,962.60

Finding the Fourth Proportional to 61,404.20, 92,106.30 and 21,962.60

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Solution

The fourth proportional to 61,404.20, 92,106.30 and 21,962.60 is: 32,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,404.20 : 92,106.30 = 21,962.60 : x
  2. Step 2: Convert to fraction form
    61,404.20/92,106.30 = 21,962.60/x
  3. Step 3: Cross multiply
    61,404.20x = 92,106.30 × 21,962.60
  4. Step 4: Simplify right side
    61,404.20x = 2,022,893,824.38
  5. Step 5: Solve for x
    x = 2,022,893,824.38/61,404.20
  6. Step 6: Final answer
    x = 32,943.90

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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.