Home / 99,623.44-149,363.34-46,981

Finding the Fourth Proportional to 99,623.44, 149,363.34 and 46,981

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Solution

The fourth proportional to 99,623.44, 149,363.34 and 46,981 is: 70,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,623.44 : 149,363.34 = 46,981 : x
  2. Step 2: Convert to fraction form
    99,623.44/149,363.34 = 46,981/x
  3. Step 3: Cross multiply
    99,623.44x = 149,363.34 × 46,981
  4. Step 4: Simplify right side
    99,623.44x = 7,017,239,076.54
  5. Step 5: Solve for x
    x = 7,017,239,076.54/99,623.44
  6. Step 6: Final answer
    x = 70,437.63

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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.