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Finding the Fourth Proportional to 64,840.90, 97,266.36 and 24,879.01

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Solution

The fourth proportional to 64,840.90, 97,266.36 and 24,879.01 is: 37,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,840.90 : 97,266.36 = 24,879.01 : x
  2. Step 2: Convert to fraction form
    64,840.90/97,266.36 = 24,879.01/x
  3. Step 3: Cross multiply
    64,840.90x = 97,266.36 × 24,879.01
  4. Step 4: Simplify right side
    64,840.90x = 2,419,890,743.10
  5. Step 5: Solve for x
    x = 2,419,890,743.10/64,840.90
  6. Step 6: Final answer
    x = 37,320.44

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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.