Finding the Fourth Proportional to 68,935.41, 103,257.81 and 31,526.99
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Solution
The fourth proportional to 68,935.41, 103,257.81 and 31,526.99 is: 47,224.02
Step by Step Solution
- Step 1: Write the proportion equation
68,935.41 : 103,257.81 = 31,526.99 : x - Step 2: Convert to fraction form
68,935.41/103,257.81 = 31,526.99/x - Step 3: Cross multiply
68,935.41x = 103,257.81 × 31,526.99 - Step 4: Simplify right side
68,935.41x = 3,255,407,427.00 - Step 5: Solve for x
x = 3,255,407,427.00/68,935.41 - Step 6: Final answer
x = 47,224.02
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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.