Home / 45,319.96-67,986.86-23,121.23

Finding the Fourth Proportional to 45,319.96, 67,986.86 and 23,121.23

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Solution

The fourth proportional to 45,319.96, 67,986.86 and 23,121.23 is: 34,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319.96 : 67,986.86 = 23,121.23 : x
  2. Step 2: Convert to fraction form
    45,319.96/67,986.86 = 23,121.23/x
  3. Step 3: Cross multiply
    45,319.96x = 67,986.86 × 23,121.23
  4. Step 4: Simplify right side
    45,319.96x = 1,571,939,827.04
  5. Step 5: Solve for x
    x = 1,571,939,827.04/45,319.96
  6. Step 6: Final answer
    x = 34,685.38

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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.