Home / 75,683.57-104,442.01-43,855.43

Finding the Fourth Proportional to 75,683.57, 104,442.01 and 43,855.43

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Solution

The fourth proportional to 75,683.57, 104,442.01 and 43,855.43 is: 60,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,683.57 : 104,442.01 = 43,855.43 : x
  2. Step 2: Convert to fraction form
    75,683.57/104,442.01 = 43,855.43/x
  3. Step 3: Cross multiply
    75,683.57x = 104,442.01 × 43,855.43
  4. Step 4: Simplify right side
    75,683.57x = 4,580,348,626.77
  5. Step 5: Solve for x
    x = 4,580,348,626.77/75,683.57
  6. Step 6: Final answer
    x = 60,519.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.