Home / 53,686.54-80,527.24-18,145.50

Finding the Fourth Proportional to 53,686.54, 80,527.24 and 18,145.50

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Solution

The fourth proportional to 53,686.54, 80,527.24 and 18,145.50 is: 27,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.54 : 80,527.24 = 18,145.50 : x
  2. Step 2: Convert to fraction form
    53,686.54/80,527.24 = 18,145.50/x
  3. Step 3: Cross multiply
    53,686.54x = 80,527.24 × 18,145.50
  4. Step 4: Simplify right side
    53,686.54x = 1,461,207,033.42
  5. Step 5: Solve for x
    x = 1,461,207,033.42/53,686.54
  6. Step 6: Final answer
    x = 27,217.38

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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.