Finding the Fourth Proportional to 74,959.08, 103,443.60 and 41,425.08
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Solution
The fourth proportional to 74,959.08, 103,443.60 and 41,425.08 is: 57,166.65
Step by Step Solution
- Step 1: Write the proportion equation
74,959.08 : 103,443.60 = 41,425.08 : x - Step 2: Convert to fraction form
74,959.08/103,443.60 = 41,425.08/x - Step 3: Cross multiply
74,959.08x = 103,443.60 × 41,425.08 - Step 4: Simplify right side
74,959.08x = 4,285,159,405.49 - Step 5: Solve for x
x = 4,285,159,405.49/74,959.08 - Step 6: Final answer
x = 57,166.65
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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.