Home / 74,913.50-112,388.73-22,322.78

Finding the Fourth Proportional to 74,913.50, 112,388.73 and 22,322.78

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Solution

The fourth proportional to 74,913.50, 112,388.73 and 22,322.78 is: 33,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,913.50 : 112,388.73 = 22,322.78 : x
  2. Step 2: Convert to fraction form
    74,913.50/112,388.73 = 22,322.78/x
  3. Step 3: Cross multiply
    74,913.50x = 112,388.73 × 22,322.78
  4. Step 4: Simplify right side
    74,913.50x = 2,508,828,894.27
  5. Step 5: Solve for x
    x = 2,508,828,894.27/74,913.50
  6. Step 6: Final answer
    x = 33,489.68

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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.