Finding the Fourth Proportional to 74,293.95, 102,405.81 and 60,841.47
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Solution
The fourth proportional to 74,293.95, 102,405.81 and 60,841.47 is: 83,863.09
Step by Step Solution
- Step 1: Write the proportion equation
74,293.95 : 102,405.81 = 60,841.47 : x - Step 2: Convert to fraction form
74,293.95/102,405.81 = 60,841.47/x - Step 3: Cross multiply
74,293.95x = 102,405.81 × 60,841.47 - Step 4: Simplify right side
74,293.95x = 6,230,520,016.94 - Step 5: Solve for x
x = 6,230,520,016.94/74,293.95 - Step 6: Final answer
x = 83,863.09
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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.