Home / 74,038.14-111,056.94-21,447.54

Finding the Fourth Proportional to 74,038.14, 111,056.94 and 21,447.54

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Solution

The fourth proportional to 74,038.14, 111,056.94 and 21,447.54 is: 32,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,038.14 : 111,056.94 = 21,447.54 : x
  2. Step 2: Convert to fraction form
    74,038.14/111,056.94 = 21,447.54/x
  3. Step 3: Cross multiply
    74,038.14x = 111,056.94 × 21,447.54
  4. Step 4: Simplify right side
    74,038.14x = 2,381,898,162.93
  5. Step 5: Solve for x
    x = 2,381,898,162.93/74,038.14
  6. Step 6: Final answer
    x = 32,171.23

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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.