Home / 53,690.47-80,474.94-27,339.55

Finding the Fourth Proportional to 53,690.47, 80,474.94 and 27,339.55

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Solution

The fourth proportional to 53,690.47, 80,474.94 and 27,339.55 is: 40,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,690.47 : 80,474.94 = 27,339.55 : x
  2. Step 2: Convert to fraction form
    53,690.47/80,474.94 = 27,339.55/x
  3. Step 3: Cross multiply
    53,690.47x = 80,474.94 × 27,339.55
  4. Step 4: Simplify right side
    53,690.47x = 2,200,148,444.69
  5. Step 5: Solve for x
    x = 2,200,148,444.69/53,690.47
  6. Step 6: Final answer
    x = 40,978.38

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1.5x scale

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.