Home / 81,487.02-122,264.16-44,002.95

Finding the Fourth Proportional to 81,487.02, 122,264.16 and 44,002.95

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Solution

The fourth proportional to 81,487.02, 122,264.16 and 44,002.95 is: 66,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,487.02 : 122,264.16 = 44,002.95 : x
  2. Step 2: Convert to fraction form
    81,487.02/122,264.16 = 44,002.95/x
  3. Step 3: Cross multiply
    81,487.02x = 122,264.16 × 44,002.95
  4. Step 4: Simplify right side
    81,487.02x = 5,379,983,193.60
  5. Step 5: Solve for x
    x = 5,379,983,193.60/81,487.02
  6. Step 6: Final answer
    x = 66,022.58

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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.