Home / 74,818.44-112,239-22,221.36

Finding the Fourth Proportional to 74,818.44, 112,239 and 22,221.36

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Solution

The fourth proportional to 74,818.44, 112,239 and 22,221.36 is: 33,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,818.44 : 112,239 = 22,221.36 : x
  2. Step 2: Convert to fraction form
    74,818.44/112,239 = 22,221.36/x
  3. Step 3: Cross multiply
    74,818.44x = 112,239 × 22,221.36
  4. Step 4: Simplify right side
    74,818.44x = 2,494,103,225.04
  5. Step 5: Solve for x
    x = 2,494,103,225.04/74,818.44
  6. Step 6: Final answer
    x = 33,335.41

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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.