Finding the Fourth Proportional to 124,084.08, 171,235.26 and 67,495.68
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Solution
The fourth proportional to 124,084.08, 171,235.26 and 67,495.68 is: 93,143.62
Step by Step Solution
- Step 1: Write the proportion equation
124,084.08 : 171,235.26 = 67,495.68 : x - Step 2: Convert to fraction form
124,084.08/171,235.26 = 67,495.68/x - Step 3: Cross multiply
124,084.08x = 171,235.26 × 67,495.68 - Step 4: Simplify right side
124,084.08x = 11,557,640,313.68 - Step 5: Solve for x
x = 11,557,640,313.68/124,084.08 - Step 6: Final answer
x = 93,143.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.