Home / 81,026.53-111,822.22-45,223.52

Finding the Fourth Proportional to 81,026.53, 111,822.22 and 45,223.52

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Solution

The fourth proportional to 81,026.53, 111,822.22 and 45,223.52 is: 62,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,026.53 : 111,822.22 = 45,223.52 : x
  2. Step 2: Convert to fraction form
    81,026.53/111,822.22 = 45,223.52/x
  3. Step 3: Cross multiply
    81,026.53x = 111,822.22 × 45,223.52
  4. Step 4: Simplify right side
    81,026.53x = 5,056,993,900.03
  5. Step 5: Solve for x
    x = 5,056,993,900.03/81,026.53
  6. Step 6: Final answer
    x = 62,411.58

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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.