Finding the Fourth Proportional to 106,345.24, 159,699.84 and 71,033.50
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Solution
The fourth proportional to 106,345.24, 159,699.84 and 71,033.50 is: 106,671.80
Step by Step Solution
- Step 1: Write the proportion equation
106,345.24 : 159,699.84 = 71,033.50 : x - Step 2: Convert to fraction form
106,345.24/159,699.84 = 71,033.50/x - Step 3: Cross multiply
106,345.24x = 159,699.84 × 71,033.50 - Step 4: Simplify right side
106,345.24x = 11,344,038,584.64 - Step 5: Solve for x
x = 11,344,038,584.64/106,345.24 - Step 6: Final answer
x = 106,671.80
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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.