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Finding the Fourth Proportional to 64,968.80, 97,424.40 and 29,919.20

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Solution

The fourth proportional to 64,968.80, 97,424.40 and 29,919.20 is: 44,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,968.80 : 97,424.40 = 29,919.20 : x
  2. Step 2: Convert to fraction form
    64,968.80/97,424.40 = 29,919.20/x
  3. Step 3: Cross multiply
    64,968.80x = 97,424.40 × 29,919.20
  4. Step 4: Simplify right side
    64,968.80x = 2,914,860,108.48
  5. Step 5: Solve for x
    x = 2,914,860,108.48/64,968.80
  6. Step 6: Final answer
    x = 44,865.54

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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.