Finding the Fourth Proportional to 74,125.67, 102,267.56 and 51,458.63
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Solution
The fourth proportional to 74,125.67, 102,267.56 and 51,458.63 is: 70,994.95
Step by Step Solution
- Step 1: Write the proportion equation
74,125.67 : 102,267.56 = 51,458.63 : x - Step 2: Convert to fraction form
74,125.67/102,267.56 = 51,458.63/x - Step 3: Cross multiply
74,125.67x = 102,267.56 × 51,458.63 - Step 4: Simplify right side
74,125.67x = 5,262,548,148.35 - Step 5: Solve for x
x = 5,262,548,148.35/74,125.67 - Step 6: Final answer
x = 70,994.95
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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.