Home / 89,811.93-123,946.02-49,525.64

Finding the Fourth Proportional to 89,811.93, 123,946.02 and 49,525.64

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Solution

The fourth proportional to 89,811.93, 123,946.02 and 49,525.64 is: 68,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,811.93 : 123,946.02 = 49,525.64 : x
  2. Step 2: Convert to fraction form
    89,811.93/123,946.02 = 49,525.64/x
  3. Step 3: Cross multiply
    89,811.93x = 123,946.02 × 49,525.64
  4. Step 4: Simplify right side
    89,811.93x = 6,138,505,346.22
  5. Step 5: Solve for x
    x = 6,138,505,346.22/89,811.93
  6. Step 6: Final answer
    x = 68,348.44

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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.