Finding the Fourth Proportional to 74,618.25, 102,970.81 and 44,396.65
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Solution
The fourth proportional to 74,618.25, 102,970.81 and 44,396.65 is: 61,265.95
Step by Step Solution
- Step 1: Write the proportion equation
74,618.25 : 102,970.81 = 44,396.65 : x - Step 2: Convert to fraction form
74,618.25/102,970.81 = 44,396.65/x - Step 3: Cross multiply
74,618.25x = 102,970.81 × 44,396.65 - Step 4: Simplify right side
74,618.25x = 4,571,558,274.95 - Step 5: Solve for x
x = 4,571,558,274.95/74,618.25 - Step 6: Final answer
x = 61,265.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.