Finding the Fourth Proportional to 74,604.99, 102,948.80 and 41,070.99
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Solution
The fourth proportional to 74,604.99, 102,948.80 and 41,070.99 is: 56,674.61
Step by Step Solution
- Step 1: Write the proportion equation
74,604.99 : 102,948.80 = 41,070.99 : x - Step 2: Convert to fraction form
74,604.99/102,948.80 = 41,070.99/x - Step 3: Cross multiply
74,604.99x = 102,948.80 × 41,070.99 - Step 4: Simplify right side
74,604.99x = 4,228,208,929.96 - Step 5: Solve for x
x = 4,228,208,929.96/74,604.99 - Step 6: Final answer
x = 56,674.61
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1.5x scale
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.