Home / 45,963.56-68,943-12,683.92

Finding the Fourth Proportional to 45,963.56, 68,943 and 12,683.92

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Solution

The fourth proportional to 45,963.56, 68,943 and 12,683.92 is: 19,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,963.56 : 68,943 = 12,683.92 : x
  2. Step 2: Convert to fraction form
    45,963.56/68,943 = 12,683.92/x
  3. Step 3: Cross multiply
    45,963.56x = 68,943 × 12,683.92
  4. Step 4: Simplify right side
    45,963.56x = 874,467,496.56
  5. Step 5: Solve for x
    x = 874,467,496.56/45,963.56
  6. Step 6: Final answer
    x = 19,025.23

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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.