Home / 75,442.75-104,099.40-43,605.49

Finding the Fourth Proportional to 75,442.75, 104,099.40 and 43,605.49

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Solution

The fourth proportional to 75,442.75, 104,099.40 and 43,605.49 is: 60,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,442.75 : 104,099.40 = 43,605.49 : x
  2. Step 2: Convert to fraction form
    75,442.75/104,099.40 = 43,605.49/x
  3. Step 3: Cross multiply
    75,442.75x = 104,099.40 × 43,605.49
  4. Step 4: Simplify right side
    75,442.75x = 4,539,305,345.71
  5. Step 5: Solve for x
    x = 4,539,305,345.71/75,442.75
  6. Step 6: Final answer
    x = 60,168.87

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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.