Finding the Fourth Proportional to 73,124.19, 109,663.61 and 26,370.99
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Solution
The fourth proportional to 73,124.19, 109,663.61 and 26,370.99 is: 39,548.31
Step by Step Solution
- Step 1: Write the proportion equation
73,124.19 : 109,663.61 = 26,370.99 : x - Step 2: Convert to fraction form
73,124.19/109,663.61 = 26,370.99/x - Step 3: Cross multiply
73,124.19x = 109,663.61 × 26,370.99 - Step 4: Simplify right side
73,124.19x = 2,891,937,830.82 - Step 5: Solve for x
x = 2,891,937,830.82/73,124.19 - Step 6: Final answer
x = 39,548.31
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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.