Home / 57,276.08-79,041.42-31,782.54

Finding the Fourth Proportional to 57,276.08, 79,041.42 and 31,782.54

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Solution

The fourth proportional to 57,276.08, 79,041.42 and 31,782.54 is: 43,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.08 : 79,041.42 = 31,782.54 : x
  2. Step 2: Convert to fraction form
    57,276.08/79,041.42 = 31,782.54/x
  3. Step 3: Cross multiply
    57,276.08x = 79,041.42 × 31,782.54
  4. Step 4: Simplify right side
    57,276.08x = 2,512,137,092.81
  5. Step 5: Solve for x
    x = 2,512,137,092.81/57,276.08
  6. Step 6: Final answer
    x = 43,860.14

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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.