Finding the Fourth Proportional to 74,839.24, 103,270.80 and 41,303.08
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Solution
The fourth proportional to 74,839.24, 103,270.80 and 41,303.08 is: 56,994.19
Step by Step Solution
- Step 1: Write the proportion equation
74,839.24 : 103,270.80 = 41,303.08 : x - Step 2: Convert to fraction form
74,839.24/103,270.80 = 41,303.08/x - Step 3: Cross multiply
74,839.24x = 103,270.80 × 41,303.08 - Step 4: Simplify right side
74,839.24x = 4,265,402,114.06 - Step 5: Solve for x
x = 4,265,402,114.06/74,839.24 - Step 6: Final answer
x = 56,994.19
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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.