Home / 74,650.26-103,018.48-40,660.32

Finding the Fourth Proportional to 74,650.26, 103,018.48 and 40,660.32

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Solution

The fourth proportional to 74,650.26, 103,018.48 and 40,660.32 is: 56,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650.26 : 103,018.48 = 40,660.32 : x
  2. Step 2: Convert to fraction form
    74,650.26/103,018.48 = 40,660.32/x
  3. Step 3: Cross multiply
    74,650.26x = 103,018.48 × 40,660.32
  4. Step 4: Simplify right side
    74,650.26x = 4,188,764,362.71
  5. Step 5: Solve for x
    x = 4,188,764,362.71/74,650.26
  6. Step 6: Final answer
    x = 56,111.85

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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.