Home / 45,683.06-68,531.97-14,085.72

Finding the Fourth Proportional to 45,683.06, 68,531.97 and 14,085.72

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Solution

The fourth proportional to 45,683.06, 68,531.97 and 14,085.72 is: 21,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,683.06 : 68,531.97 = 14,085.72 : x
  2. Step 2: Convert to fraction form
    45,683.06/68,531.97 = 14,085.72/x
  3. Step 3: Cross multiply
    45,683.06x = 68,531.97 × 14,085.72
  4. Step 4: Simplify right side
    45,683.06x = 965,322,140.47
  5. Step 5: Solve for x
    x = 965,322,140.47/45,683.06
  6. Step 6: Final answer
    x = 21,130.86

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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.