Home / 68,138.02-93,990.61-44,280.59

Finding the Fourth Proportional to 68,138.02, 93,990.61 and 44,280.59

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Solution

The fourth proportional to 68,138.02, 93,990.61 and 44,280.59 is: 61,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,138.02 : 93,990.61 = 44,280.59 : x
  2. Step 2: Convert to fraction form
    68,138.02/93,990.61 = 44,280.59/x
  3. Step 3: Cross multiply
    68,138.02x = 93,990.61 × 44,280.59
  4. Step 4: Simplify right side
    68,138.02x = 4,161,959,250.66
  5. Step 5: Solve for x
    x = 4,161,959,250.66/68,138.02
  6. Step 6: Final answer
    x = 61,081.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.