Finding the Fourth Proportional to 71,518.08, 107,288.82 and 29,386.92
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Solution
The fourth proportional to 71,518.08, 107,288.82 and 29,386.92 is: 44,085.19
Step by Step Solution
- Step 1: Write the proportion equation
71,518.08 : 107,288.82 = 29,386.92 : x - Step 2: Convert to fraction form
71,518.08/107,288.82 = 29,386.92/x - Step 3: Cross multiply
71,518.08x = 107,288.82 × 29,386.92 - Step 4: Simplify right side
71,518.08x = 3,152,887,970.23 - Step 5: Solve for x
x = 3,152,887,970.23/71,518.08 - Step 6: Final answer
x = 44,085.19
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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.