Home / 53,712.30-80,569.66-14,273.40

Finding the Fourth Proportional to 53,712.30, 80,569.66 and 14,273.40

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Solution

The fourth proportional to 53,712.30, 80,569.66 and 14,273.40 is: 21,410.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712.30 : 80,569.66 = 14,273.40 : x
  2. Step 2: Convert to fraction form
    53,712.30/80,569.66 = 14,273.40/x
  3. Step 3: Cross multiply
    53,712.30x = 80,569.66 × 14,273.40
  4. Step 4: Simplify right side
    53,712.30x = 1,150,002,985.04
  5. Step 5: Solve for x
    x = 1,150,002,985.04/53,712.30
  6. Step 6: Final answer
    x = 21,410.42

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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.