Finding the Fourth Proportional to 74,852.68, 103,294.74 and 41,317.96
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Solution
The fourth proportional to 74,852.68, 103,294.74 and 41,317.96 is: 57,017.70
Step by Step Solution
- Step 1: Write the proportion equation
74,852.68 : 103,294.74 = 41,317.96 : x - Step 2: Convert to fraction form
74,852.68/103,294.74 = 41,317.96/x - Step 3: Cross multiply
74,852.68x = 103,294.74 × 41,317.96 - Step 4: Simplify right side
74,852.68x = 4,267,927,935.53 - Step 5: Solve for x
x = 4,267,927,935.53/74,852.68 - Step 6: Final answer
x = 57,017.70
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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.