Finding the Fourth Proportional to 106,327.73, 159,486.30 and 39,762.97
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Solution
The fourth proportional to 106,327.73, 159,486.30 and 39,762.97 is: 59,642.47
Step by Step Solution
- Step 1: Write the proportion equation
106,327.73 : 159,486.30 = 39,762.97 : x - Step 2: Convert to fraction form
106,327.73/159,486.30 = 39,762.97/x - Step 3: Cross multiply
106,327.73x = 159,486.30 × 39,762.97 - Step 4: Simplify right side
106,327.73x = 6,341,648,962.31 - Step 5: Solve for x
x = 6,341,648,962.31/106,327.73 - Step 6: Final answer
x = 59,642.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.