Home / 51,527.27-77,287.21-15,987.68

Finding the Fourth Proportional to 51,527.27, 77,287.21 and 15,987.68

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Solution

The fourth proportional to 51,527.27, 77,287.21 and 15,987.68 is: 23,980.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,527.27 : 77,287.21 = 15,987.68 : x
  2. Step 2: Convert to fraction form
    51,527.27/77,287.21 = 15,987.68/x
  3. Step 3: Cross multiply
    51,527.27x = 77,287.21 × 15,987.68
  4. Step 4: Simplify right side
    51,527.27x = 1,235,643,134.93
  5. Step 5: Solve for x
    x = 1,235,643,134.93/51,527.27
  6. Step 6: Final answer
    x = 23,980.37

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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.