Home / 47,078.52-64,968.66-25,857.60

Finding the Fourth Proportional to 47,078.52, 64,968.66 and 25,857.60

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Solution

The fourth proportional to 47,078.52, 64,968.66 and 25,857.60 is: 35,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.52 : 64,968.66 = 25,857.60 : x
  2. Step 2: Convert to fraction form
    47,078.52/64,968.66 = 25,857.60/x
  3. Step 3: Cross multiply
    47,078.52x = 64,968.66 × 25,857.60
  4. Step 4: Simplify right side
    47,078.52x = 1,679,933,622.82
  5. Step 5: Solve for x
    x = 1,679,933,622.82/47,078.52
  6. Step 6: Final answer
    x = 35,683.65

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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.