Home / 72,886.37-109,361.27-25,535.45

Finding the Fourth Proportional to 72,886.37, 109,361.27 and 25,535.45

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Solution

The fourth proportional to 72,886.37, 109,361.27 and 25,535.45 is: 38,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,886.37 : 109,361.27 = 25,535.45 : x
  2. Step 2: Convert to fraction form
    72,886.37/109,361.27 = 25,535.45/x
  3. Step 3: Cross multiply
    72,886.37x = 109,361.27 × 25,535.45
  4. Step 4: Simplify right side
    72,886.37x = 2,792,589,579.26
  5. Step 5: Solve for x
    x = 2,792,589,579.26/72,886.37
  6. Step 6: Final answer
    x = 38,314.29

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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.