Finding the Fourth Proportional to 95,745.04, 143,403.70 and 69,389.26
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Solution
The fourth proportional to 95,745.04, 143,403.70 and 69,389.26 is: 103,928.90
Step by Step Solution
- Step 1: Write the proportion equation
95,745.04 : 143,403.70 = 69,389.26 : x - Step 2: Convert to fraction form
95,745.04/143,403.70 = 69,389.26/x - Step 3: Cross multiply
95,745.04x = 143,403.70 × 69,389.26 - Step 4: Simplify right side
95,745.04x = 9,950,676,624.26 - Step 5: Solve for x
x = 9,950,676,624.26/95,745.04 - Step 6: Final answer
x = 103,928.90
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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.