Home / 109,289.21-150,815.05-60,890.00

Finding the Fourth Proportional to 109,289.21, 150,815.05 and 60,890.00

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Solution

The fourth proportional to 109,289.21, 150,815.05 and 60,890.00 is: 84,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,289.21 : 150,815.05 = 60,890.00 : x
  2. Step 2: Convert to fraction form
    109,289.21/150,815.05 = 60,890.00/x
  3. Step 3: Cross multiply
    109,289.21x = 150,815.05 × 60,890.00
  4. Step 4: Simplify right side
    109,289.21x = 9,183,127,488.20
  5. Step 5: Solve for x
    x = 9,183,127,488.20/109,289.21
  6. Step 6: Final answer
    x = 84,025.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.