Home / 74,630.40-111,943.20-24,712.80

Finding the Fourth Proportional to 74,630.40, 111,943.20 and 24,712.80

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Solution

The fourth proportional to 74,630.40, 111,943.20 and 24,712.80 is: 37,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,630.40 : 111,943.20 = 24,712.80 : x
  2. Step 2: Convert to fraction form
    74,630.40/111,943.20 = 24,712.80/x
  3. Step 3: Cross multiply
    74,630.40x = 111,943.20 × 24,712.80
  4. Step 4: Simplify right side
    74,630.40x = 2,766,429,912.96
  5. Step 5: Solve for x
    x = 2,766,429,912.96/74,630.40
  6. Step 6: Final answer
    x = 37,068.41

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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.