Home / 57,629.86-79,526.75-42,517.08

Finding the Fourth Proportional to 57,629.86, 79,526.75 and 42,517.08

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Solution

The fourth proportional to 57,629.86, 79,526.75 and 42,517.08 is: 58,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,629.86 : 79,526.75 = 42,517.08 : x
  2. Step 2: Convert to fraction form
    57,629.86/79,526.75 = 42,517.08/x
  3. Step 3: Cross multiply
    57,629.86x = 79,526.75 × 42,517.08
  4. Step 4: Simplify right side
    57,629.86x = 3,381,244,979.30
  5. Step 5: Solve for x
    x = 3,381,244,979.30/57,629.86
  6. Step 6: Final answer
    x = 58,671.76

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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.