Finding the Fourth Proportional to 112,647.99, 155,455.83 and 62,346.99
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Solution
The fourth proportional to 112,647.99, 155,455.83 and 62,346.99 is: 86,039.73
Step by Step Solution
- Step 1: Write the proportion equation
112,647.99 : 155,455.83 = 62,346.99 : x - Step 2: Convert to fraction form
112,647.99/155,455.83 = 62,346.99/x - Step 3: Cross multiply
112,647.99x = 155,455.83 × 62,346.99 - Step 4: Simplify right side
112,647.99x = 9,692,203,078.45 - Step 5: Solve for x
x = 9,692,203,078.45/112,647.99 - Step 6: Final answer
x = 86,039.73
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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.