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Finding the Fourth Proportional to 64,887.78, 97,297.00 and 33,285.03

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Solution

The fourth proportional to 64,887.78, 97,297.00 and 33,285.03 is: 49,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,887.78 : 97,297.00 = 33,285.03 : x
  2. Step 2: Convert to fraction form
    64,887.78/97,297.00 = 33,285.03/x
  3. Step 3: Cross multiply
    64,887.78x = 97,297.00 × 33,285.03
  4. Step 4: Simplify right side
    64,887.78x = 3,238,533,115.83
  5. Step 5: Solve for x
    x = 3,238,533,115.83/64,887.78
  6. Step 6: Final answer
    x = 49,909.75

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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.