Finding the Fourth Proportional to 74,971.08, 103,393.08 and 62,204.05
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Solution
The fourth proportional to 74,971.08, 103,393.08 and 62,204.05 is: 85,785.99
Step by Step Solution
- Step 1: Write the proportion equation
74,971.08 : 103,393.08 = 62,204.05 : x - Step 2: Convert to fraction form
74,971.08/103,393.08 = 62,204.05/x - Step 3: Cross multiply
74,971.08x = 103,393.08 × 62,204.05 - Step 4: Simplify right side
74,971.08x = 6,431,468,622.16 - Step 5: Solve for x
x = 6,431,468,622.16/74,971.08 - Step 6: Final answer
x = 85,785.99
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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.