Home / 78,520.02-117,797.04-25,199.61

Finding the Fourth Proportional to 78,520.02, 117,797.04 and 25,199.61

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Solution

The fourth proportional to 78,520.02, 117,797.04 and 25,199.61 is: 37,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,520.02 : 117,797.04 = 25,199.61 : x
  2. Step 2: Convert to fraction form
    78,520.02/117,797.04 = 25,199.61/x
  3. Step 3: Cross multiply
    78,520.02x = 117,797.04 × 25,199.61
  4. Step 4: Simplify right side
    78,520.02x = 2,968,439,467.15
  5. Step 5: Solve for x
    x = 2,968,439,467.15/78,520.02
  6. Step 6: Final answer
    x = 37,804.87

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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.