Home / 66,851.20-100,244.40-37,237.60

Finding the Fourth Proportional to 66,851.20, 100,244.40 and 37,237.60

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Solution

The fourth proportional to 66,851.20, 100,244.40 and 37,237.60 is: 55,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851.20 : 100,244.40 = 37,237.60 : x
  2. Step 2: Convert to fraction form
    66,851.20/100,244.40 = 37,237.60/x
  3. Step 3: Cross multiply
    66,851.20x = 100,244.40 × 37,237.60
  4. Step 4: Simplify right side
    66,851.20x = 3,732,860,869.44
  5. Step 5: Solve for x
    x = 3,732,860,869.44/66,851.20
  6. Step 6: Final answer
    x = 55,838.35

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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.