Finding the Fourth Proportional to 74,657.08, 103,026.74 and 41,123.08
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Solution
The fourth proportional to 74,657.08, 103,026.74 and 41,123.08 is: 56,749.83
Step by Step Solution
- Step 1: Write the proportion equation
74,657.08 : 103,026.74 = 41,123.08 : x - Step 2: Convert to fraction form
74,657.08/103,026.74 = 41,123.08/x - Step 3: Cross multiply
74,657.08x = 103,026.74 × 41,123.08 - Step 4: Simplify right side
74,657.08x = 4,236,776,871.16 - Step 5: Solve for x
x = 4,236,776,871.16/74,657.08 - Step 6: Final answer
x = 56,749.83
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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.