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Finding the Fourth Proportional to 64,676.16, 96,994.80 and 25,222.68

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Solution

The fourth proportional to 64,676.16, 96,994.80 and 25,222.68 is: 37,826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,676.16 : 96,994.80 = 25,222.68 : x
  2. Step 2: Convert to fraction form
    64,676.16/96,994.80 = 25,222.68/x
  3. Step 3: Cross multiply
    64,676.16x = 96,994.80 × 25,222.68
  4. Step 4: Simplify right side
    64,676.16x = 2,446,468,802.06
  5. Step 5: Solve for x
    x = 2,446,468,802.06/64,676.16
  6. Step 6: Final answer
    x = 37,826.44

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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.