Home / 67,314.57-100,923.26-20,541.93

Finding the Fourth Proportional to 67,314.57, 100,923.26 and 20,541.93

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Solution

The fourth proportional to 67,314.57, 100,923.26 and 20,541.93 is: 30,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,314.57 : 100,923.26 = 20,541.93 : x
  2. Step 2: Convert to fraction form
    67,314.57/100,923.26 = 20,541.93/x
  3. Step 3: Cross multiply
    67,314.57x = 100,923.26 × 20,541.93
  4. Step 4: Simplify right side
    67,314.57x = 2,073,158,439.58
  5. Step 5: Solve for x
    x = 2,073,158,439.58/67,314.57
  6. Step 6: Final answer
    x = 30,798.06

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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.