Home / 57,273.54-85,832.55-42,538.02

Finding the Fourth Proportional to 57,273.54, 85,832.55 and 42,538.02

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Solution

The fourth proportional to 57,273.54, 85,832.55 and 42,538.02 is: 63,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,273.54 : 85,832.55 = 42,538.02 : x
  2. Step 2: Convert to fraction form
    57,273.54/85,832.55 = 42,538.02/x
  3. Step 3: Cross multiply
    57,273.54x = 85,832.55 × 42,538.02
  4. Step 4: Simplify right side
    57,273.54x = 3,651,146,728.55
  5. Step 5: Solve for x
    x = 3,651,146,728.55/57,273.54
  6. Step 6: Final answer
    x = 63,749.28

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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.