Home / 74,664.27-112,010.21-21,353.99

Finding the Fourth Proportional to 74,664.27, 112,010.21 and 21,353.99

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Solution

The fourth proportional to 74,664.27, 112,010.21 and 21,353.99 is: 32,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,664.27 : 112,010.21 = 21,353.99 : x
  2. Step 2: Convert to fraction form
    74,664.27/112,010.21 = 21,353.99/x
  3. Step 3: Cross multiply
    74,664.27x = 112,010.21 × 21,353.99
  4. Step 4: Simplify right side
    74,664.27x = 2,391,864,317.49
  5. Step 5: Solve for x
    x = 2,391,864,317.49/74,664.27
  6. Step 6: Final answer
    x = 32,034.93

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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.