Home / 99,968.99-149,961.17-33,409.36

Finding the Fourth Proportional to 99,968.99, 149,961.17 and 33,409.36

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Solution

The fourth proportional to 99,968.99, 149,961.17 and 33,409.36 is: 50,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,968.99 : 149,961.17 = 33,409.36 : x
  2. Step 2: Convert to fraction form
    99,968.99/149,961.17 = 33,409.36/x
  3. Step 3: Cross multiply
    99,968.99x = 149,961.17 × 33,409.36
  4. Step 4: Simplify right side
    99,968.99x = 5,010,106,985.53
  5. Step 5: Solve for x
    x = 5,010,106,985.53/99,968.99
  6. Step 6: Final answer
    x = 50,116.61

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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.