Finding the Fourth Proportional to 74,810.18, 103,237.53 and 41,276.26
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Solution
The fourth proportional to 74,810.18, 103,237.53 and 41,276.26 is: 56,960.95
Step by Step Solution
- Step 1: Write the proportion equation
74,810.18 : 103,237.53 = 41,276.26 : x - Step 2: Convert to fraction form
74,810.18/103,237.53 = 41,276.26/x - Step 3: Cross multiply
74,810.18x = 103,237.53 × 41,276.26 - Step 4: Simplify right side
74,810.18x = 4,261,259,130.04 - Step 5: Solve for x
x = 4,261,259,130.04/74,810.18 - Step 6: Final answer
x = 56,960.95
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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.