Home / 53,921.40-80,882.10-46,404.60

Finding the Fourth Proportional to 53,921.40, 80,882.10 and 46,404.60

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Solution

The fourth proportional to 53,921.40, 80,882.10 and 46,404.60 is: 69,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.40 : 80,882.10 = 46,404.60 : x
  2. Step 2: Convert to fraction form
    53,921.40/80,882.10 = 46,404.60/x
  3. Step 3: Cross multiply
    53,921.40x = 80,882.10 × 46,404.60
  4. Step 4: Simplify right side
    53,921.40x = 3,753,301,497.66
  5. Step 5: Solve for x
    x = 3,753,301,497.66/53,921.40
  6. Step 6: Final answer
    x = 69,606.90

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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.