Home / 64,940.05-97,362.55-20,541.97

Finding the Fourth Proportional to 64,940.05, 97,362.55 and 20,541.97

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Solution

The fourth proportional to 64,940.05, 97,362.55 and 20,541.97 is: 30,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,940.05 : 97,362.55 = 20,541.97 : x
  2. Step 2: Convert to fraction form
    64,940.05/97,362.55 = 20,541.97/x
  3. Step 3: Cross multiply
    64,940.05x = 97,362.55 × 20,541.97
  4. Step 4: Simplify right side
    64,940.05x = 2,000,018,581.22
  5. Step 5: Solve for x
    x = 2,000,018,581.22/64,940.05
  6. Step 6: Final answer
    x = 30,797.92

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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.