Home / 45,681.41-68,450.31-35,138.71

Finding the Fourth Proportional to 45,681.41, 68,450.31 and 35,138.71

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Solution

The fourth proportional to 45,681.41, 68,450.31 and 35,138.71 is: 52,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,681.41 : 68,450.31 = 35,138.71 : x
  2. Step 2: Convert to fraction form
    45,681.41/68,450.31 = 35,138.71/x
  3. Step 3: Cross multiply
    45,681.41x = 68,450.31 × 35,138.71
  4. Step 4: Simplify right side
    45,681.41x = 2,405,255,074.56
  5. Step 5: Solve for x
    x = 2,405,255,074.56/45,681.41
  6. Step 6: Final answer
    x = 52,652.82

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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.