Home / 69,431.02-103,968.64-48,054.12

Finding the Fourth Proportional to 69,431.02, 103,968.64 and 48,054.12

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Solution

The fourth proportional to 69,431.02, 103,968.64 and 48,054.12 is: 71,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,431.02 : 103,968.64 = 48,054.12 : x
  2. Step 2: Convert to fraction form
    69,431.02/103,968.64 = 48,054.12/x
  3. Step 3: Cross multiply
    69,431.02x = 103,968.64 × 48,054.12
  4. Step 4: Simplify right side
    69,431.02x = 4,996,121,382.66
  5. Step 5: Solve for x
    x = 4,996,121,382.66/69,431.02
  6. Step 6: Final answer
    x = 71,958.06

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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.