Home / 53,728.08-74,145.60-29,857.20

Finding the Fourth Proportional to 53,728.08, 74,145.60 and 29,857.20

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Solution

The fourth proportional to 53,728.08, 74,145.60 and 29,857.20 is: 41,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.08 : 74,145.60 = 29,857.20 : x
  2. Step 2: Convert to fraction form
    53,728.08/74,145.60 = 29,857.20/x
  3. Step 3: Cross multiply
    53,728.08x = 74,145.60 × 29,857.20
  4. Step 4: Simplify right side
    53,728.08x = 2,213,780,008.32
  5. Step 5: Solve for x
    x = 2,213,780,008.32/53,728.08
  6. Step 6: Final answer
    x = 41,203.41

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