Home / 68,025.02-102,072.09-30,577.55

Finding the Fourth Proportional to 68,025.02, 102,072.09 and 30,577.55

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Solution

The fourth proportional to 68,025.02, 102,072.09 and 30,577.55 is: 45,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,025.02 : 102,072.09 = 30,577.55 : x
  2. Step 2: Convert to fraction form
    68,025.02/102,072.09 = 30,577.55/x
  3. Step 3: Cross multiply
    68,025.02x = 102,072.09 × 30,577.55
  4. Step 4: Simplify right side
    68,025.02x = 3,121,114,435.58
  5. Step 5: Solve for x
    x = 3,121,114,435.58/68,025.02
  6. Step 6: Final answer
    x = 45,881.86

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1.5x scale

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.