Home / 102,889.95-154,206.26-49,571.92

Finding the Fourth Proportional to 102,889.95, 154,206.26 and 49,571.92

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Solution

The fourth proportional to 102,889.95, 154,206.26 and 49,571.92 is: 74,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,889.95 : 154,206.26 = 49,571.92 : x
  2. Step 2: Convert to fraction form
    102,889.95/154,206.26 = 49,571.92/x
  3. Step 3: Cross multiply
    102,889.95x = 154,206.26 × 49,571.92
  4. Step 4: Simplify right side
    102,889.95x = 7,644,300,809.30
  5. Step 5: Solve for x
    x = 7,644,300,809.30/102,889.95
  6. Step 6: Final answer
    x = 74,295.90

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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.