Home / 72,847.10-109,280.21-25,463.00

Finding the Fourth Proportional to 72,847.10, 109,280.21 and 25,463.00

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Solution

The fourth proportional to 72,847.10, 109,280.21 and 25,463.00 is: 38,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,847.10 : 109,280.21 = 25,463.00 : x
  2. Step 2: Convert to fraction form
    72,847.10/109,280.21 = 25,463.00/x
  3. Step 3: Cross multiply
    72,847.10x = 109,280.21 × 25,463.00
  4. Step 4: Simplify right side
    72,847.10x = 2,782,601,313.51
  5. Step 5: Solve for x
    x = 2,782,601,313.51/72,847.10
  6. Step 6: Final answer
    x = 38,197.83

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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.