Home / 57,127.08-78,832.02-31,632.02

Finding the Fourth Proportional to 57,127.08, 78,832.02 and 31,632.02

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Solution

The fourth proportional to 57,127.08, 78,832.02 and 31,632.02 is: 43,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.08 : 78,832.02 = 31,632.02 : x
  2. Step 2: Convert to fraction form
    57,127.08/78,832.02 = 31,632.02/x
  3. Step 3: Cross multiply
    57,127.08x = 78,832.02 × 31,632.02
  4. Step 4: Simplify right side
    57,127.08x = 2,493,615,639.12
  5. Step 5: Solve for x
    x = 2,493,615,639.12/57,127.08
  6. Step 6: Final answer
    x = 43,650.33

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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.