Finding the Fourth Proportional to 71,348.09, 106,955.94 and 26,344.59
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Solution
The fourth proportional to 71,348.09, 106,955.94 and 26,344.59 is: 39,492.45
Step by Step Solution
- Step 1: Write the proportion equation
71,348.09 : 106,955.94 = 26,344.59 : x - Step 2: Convert to fraction form
71,348.09/106,955.94 = 26,344.59/x - Step 3: Cross multiply
71,348.09x = 106,955.94 × 26,344.59 - Step 4: Simplify right side
71,348.09x = 2,817,710,686.70 - Step 5: Solve for x
x = 2,817,710,686.70/71,348.09 - Step 6: Final answer
x = 39,492.45
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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.