Home / 53,335.56-80,003.64-18,275.52

Finding the Fourth Proportional to 53,335.56, 80,003.64 and 18,275.52

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Solution

The fourth proportional to 53,335.56, 80,003.64 and 18,275.52 is: 27,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,335.56 : 80,003.64 = 18,275.52 : x
  2. Step 2: Convert to fraction form
    53,335.56/80,003.64 = 18,275.52/x
  3. Step 3: Cross multiply
    53,335.56x = 80,003.64 × 18,275.52
  4. Step 4: Simplify right side
    53,335.56x = 1,462,108,122.89
  5. Step 5: Solve for x
    x = 1,462,108,122.89/53,335.56
  6. Step 6: Final answer
    x = 27,413.38

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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.