Home / 74,110.77-111,164.54-21,518.01

Finding the Fourth Proportional to 74,110.77, 111,164.54 and 21,518.01

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Solution

The fourth proportional to 74,110.77, 111,164.54 and 21,518.01 is: 32,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,110.77 : 111,164.54 = 21,518.01 : x
  2. Step 2: Convert to fraction form
    74,110.77/111,164.54 = 21,518.01/x
  3. Step 3: Cross multiply
    74,110.77x = 111,164.54 × 21,518.01
  4. Step 4: Simplify right side
    74,110.77x = 2,392,039,575.78
  5. Step 5: Solve for x
    x = 2,392,039,575.78/74,110.77
  6. Step 6: Final answer
    x = 32,276.54

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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.