Home / 64,879.27-97,333.01-19,900.80

Finding the Fourth Proportional to 64,879.27, 97,333.01 and 19,900.80

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Solution

The fourth proportional to 64,879.27, 97,333.01 and 19,900.80 is: 29,855.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,879.27 : 97,333.01 = 19,900.80 : x
  2. Step 2: Convert to fraction form
    64,879.27/97,333.01 = 19,900.80/x
  3. Step 3: Cross multiply
    64,879.27x = 97,333.01 × 19,900.80
  4. Step 4: Simplify right side
    64,879.27x = 1,937,004,665.90
  5. Step 5: Solve for x
    x = 1,937,004,665.90/64,879.27
  6. Step 6: Final answer
    x = 29,855.53

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1.5x scale

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.