Home / 50,742.74-76,121.40-15,685.13

Finding the Fourth Proportional to 50,742.74, 76,121.40 and 15,685.13

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Solution

The fourth proportional to 50,742.74, 76,121.40 and 15,685.13 is: 23,529.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,742.74 : 76,121.40 = 15,685.13 : x
  2. Step 2: Convert to fraction form
    50,742.74/76,121.40 = 15,685.13/x
  3. Step 3: Cross multiply
    50,742.74x = 76,121.40 × 15,685.13
  4. Step 4: Simplify right side
    50,742.74x = 1,193,973,674.18
  5. Step 5: Solve for x
    x = 1,193,973,674.18/50,742.74
  6. Step 6: Final answer
    x = 23,529.94

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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.