Home / 74,454.36-111,683.34-21,863.76

Finding the Fourth Proportional to 74,454.36, 111,683.34 and 21,863.76

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Solution

The fourth proportional to 74,454.36, 111,683.34 and 21,863.76 is: 32,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,454.36 : 111,683.34 = 21,863.76 : x
  2. Step 2: Convert to fraction form
    74,454.36/111,683.34 = 21,863.76/x
  3. Step 3: Cross multiply
    74,454.36x = 111,683.34 × 21,863.76
  4. Step 4: Simplify right side
    74,454.36x = 2,441,817,741.76
  5. Step 5: Solve for x
    x = 2,441,817,741.76/74,454.36
  6. Step 6: Final answer
    x = 32,796.17

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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.