Home / 53,447.61-80,199.08-38,777.61

Finding the Fourth Proportional to 53,447.61, 80,199.08 and 38,777.61

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Solution

The fourth proportional to 53,447.61, 80,199.08 and 38,777.61 is: 58,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,447.61 : 80,199.08 = 38,777.61 : x
  2. Step 2: Convert to fraction form
    53,447.61/80,199.08 = 38,777.61/x
  3. Step 3: Cross multiply
    53,447.61x = 80,199.08 × 38,777.61
  4. Step 4: Simplify right side
    53,447.61x = 3,109,928,252.21
  5. Step 5: Solve for x
    x = 3,109,928,252.21/53,447.61
  6. Step 6: Final answer
    x = 58,186.48

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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.