Finding the Fourth Proportional to 71,411.08, 107,125.93 and 26,426.31
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Solution
The fourth proportional to 71,411.08, 107,125.93 and 26,426.31 is: 39,642.91
Step by Step Solution
- Step 1: Write the proportion equation
71,411.08 : 107,125.93 = 26,426.31 : x - Step 2: Convert to fraction form
71,411.08/107,125.93 = 26,426.31/x - Step 3: Cross multiply
71,411.08x = 107,125.93 × 26,426.31 - Step 4: Simplify right side
71,411.08x = 2,830,943,035.22 - Step 5: Solve for x
x = 2,830,943,035.22/71,411.08 - Step 6: Final answer
x = 39,642.91
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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.