Home / 64,940.10-97,411.11-18,190.02

Finding the Fourth Proportional to 64,940.10, 97,411.11 and 18,190.02

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Solution

The fourth proportional to 64,940.10, 97,411.11 and 18,190.02 is: 27,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,940.10 : 97,411.11 = 18,190.02 : x
  2. Step 2: Convert to fraction form
    64,940.10/97,411.11 = 18,190.02/x
  3. Step 3: Cross multiply
    64,940.10x = 97,411.11 × 18,190.02
  4. Step 4: Simplify right side
    64,940.10x = 1,771,910,039.12
  5. Step 5: Solve for x
    x = 1,771,910,039.12/64,940.10
  6. Step 6: Final answer
    x = 27,285.30

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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.