Home / 45,683.60-68,525.40-43,715.30

Finding the Fourth Proportional to 45,683.60, 68,525.40 and 43,715.30

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Solution

The fourth proportional to 45,683.60, 68,525.40 and 43,715.30 is: 65,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,683.60 : 68,525.40 = 43,715.30 : x
  2. Step 2: Convert to fraction form
    45,683.60/68,525.40 = 43,715.30/x
  3. Step 3: Cross multiply
    45,683.60x = 68,525.40 × 43,715.30
  4. Step 4: Simplify right side
    45,683.60x = 2,995,608,418.62
  5. Step 5: Solve for x
    x = 2,995,608,418.62/45,683.60
  6. Step 6: Final answer
    x = 65,572.95

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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.