Finding the Fourth Proportional to 71,698.84, 107,562.62 and 40,153.77
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Solution
The fourth proportional to 71,698.84, 107,562.62 and 40,153.77 is: 60,238.70
Step by Step Solution
- Step 1: Write the proportion equation
71,698.84 : 107,562.62 = 40,153.77 : x - Step 2: Convert to fraction form
71,698.84/107,562.62 = 40,153.77/x - Step 3: Cross multiply
71,698.84x = 107,562.62 × 40,153.77 - Step 4: Simplify right side
71,698.84x = 4,319,044,804.46 - Step 5: Solve for x
x = 4,319,044,804.46/71,698.84 - Step 6: Final answer
x = 60,238.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.