Finding the Fourth Proportional to 91,842.68, 137,747.85 and 25,266.74
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Solution
The fourth proportional to 91,842.68, 137,747.85 and 25,266.74 is: 37,895.66
Step by Step Solution
- Step 1: Write the proportion equation
91,842.68 : 137,747.85 = 25,266.74 : x - Step 2: Convert to fraction form
91,842.68/137,747.85 = 25,266.74/x - Step 3: Cross multiply
91,842.68x = 137,747.85 × 25,266.74 - Step 4: Simplify right side
91,842.68x = 3,480,439,111.51 - Step 5: Solve for x
x = 3,480,439,111.51/91,842.68 - Step 6: Final answer
x = 37,895.66
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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.