Home / 81,026.16-111,821.70-45,223.14

Finding the Fourth Proportional to 81,026.16, 111,821.70 and 45,223.14

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Solution

The fourth proportional to 81,026.16, 111,821.70 and 45,223.14 is: 62,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,026.16 : 111,821.70 = 45,223.14 : x
  2. Step 2: Convert to fraction form
    81,026.16/111,821.70 = 45,223.14/x
  3. Step 3: Cross multiply
    81,026.16x = 111,821.70 × 45,223.14
  4. Step 4: Simplify right side
    81,026.16x = 5,056,928,394.14
  5. Step 5: Solve for x
    x = 5,056,928,394.14/81,026.16
  6. Step 6: Final answer
    x = 62,411.06

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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.