Finding the Fourth Proportional to 74,530.94, 102,853.26 and 42,701.99
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Solution
The fourth proportional to 74,530.94, 102,853.26 and 42,701.99 is: 58,929.07
Step by Step Solution
- Step 1: Write the proportion equation
74,530.94 : 102,853.26 = 42,701.99 : x - Step 2: Convert to fraction form
74,530.94/102,853.26 = 42,701.99/x - Step 3: Cross multiply
74,530.94x = 102,853.26 × 42,701.99 - Step 4: Simplify right side
74,530.94x = 4,392,038,365.72 - Step 5: Solve for x
x = 4,392,038,365.72/74,530.94 - Step 6: Final answer
x = 58,929.07
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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.