Home / 99,716.66-149,491.09-46,381.53

Finding the Fourth Proportional to 99,716.66, 149,491.09 and 46,381.53

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Solution

The fourth proportional to 99,716.66, 149,491.09 and 46,381.53 is: 69,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,716.66 : 149,491.09 = 46,381.53 : x
  2. Step 2: Convert to fraction form
    99,716.66/149,491.09 = 46,381.53/x
  3. Step 3: Cross multiply
    99,716.66x = 149,491.09 × 46,381.53
  4. Step 4: Simplify right side
    99,716.66x = 6,933,625,475.57
  5. Step 5: Solve for x
    x = 6,933,625,475.57/99,716.66
  6. Step 6: Final answer
    x = 69,533.27

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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.