Finding the Fourth Proportional to 74,842.84, 103,282.98 and 41,308.84
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Solution
The fourth proportional to 74,842.84, 103,282.98 and 41,308.84 is: 57,006.12
Step by Step Solution
- Step 1: Write the proportion equation
74,842.84 : 103,282.98 = 41,308.84 : x - Step 2: Convert to fraction form
74,842.84/103,282.98 = 41,308.84/x - Step 3: Cross multiply
74,842.84x = 103,282.98 × 41,308.84 - Step 4: Simplify right side
74,842.84x = 4,266,500,095.54 - Step 5: Solve for x
x = 4,266,500,095.54/74,842.84 - Step 6: Final answer
x = 57,006.12
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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.