Finding the Fourth Proportional to 74,204.45, 102,417.62 and 68,226.65
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Solution
The fourth proportional to 74,204.45, 102,417.62 and 68,226.65 is: 94,167.00
Step by Step Solution
- Step 1: Write the proportion equation
74,204.45 : 102,417.62 = 68,226.65 : x - Step 2: Convert to fraction form
74,204.45/102,417.62 = 68,226.65/x - Step 3: Cross multiply
74,204.45x = 102,417.62 × 68,226.65 - Step 4: Simplify right side
74,204.45x = 6,987,610,772.44 - Step 5: Solve for x
x = 6,987,610,772.44/74,204.45 - Step 6: Final answer
x = 94,167.00
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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.