Home / 99,716.34-149,490.63-46,381.22

Finding the Fourth Proportional to 99,716.34, 149,490.63 and 46,381.22

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Solution

The fourth proportional to 99,716.34, 149,490.63 and 46,381.22 is: 69,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,716.34 : 149,490.63 = 46,381.22 : x
  2. Step 2: Convert to fraction form
    99,716.34/149,490.63 = 46,381.22/x
  3. Step 3: Cross multiply
    99,716.34x = 149,490.63 × 46,381.22
  4. Step 4: Simplify right side
    99,716.34x = 6,933,557,611.11
  5. Step 5: Solve for x
    x = 6,933,557,611.11/99,716.34
  6. Step 6: Final answer
    x = 69,532.81

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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.