Finding the Fourth Proportional to 71,138.79, 106,708.19 and 24,392.07
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Solution
The fourth proportional to 71,138.79, 106,708.19 and 24,392.07 is: 36,588.11
Step by Step Solution
- Step 1: Write the proportion equation
71,138.79 : 106,708.19 = 24,392.07 : x - Step 2: Convert to fraction form
71,138.79/106,708.19 = 24,392.07/x - Step 3: Cross multiply
71,138.79x = 106,708.19 × 24,392.07 - Step 4: Simplify right side
71,138.79x = 2,602,833,518.09 - Step 5: Solve for x
x = 2,602,833,518.09/71,138.79 - Step 6: Final answer
x = 36,588.11
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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.