Finding the Fourth Proportional to 81,635.93, 122,337.06 and 46,502.99
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Solution
The fourth proportional to 81,635.93, 122,337.06 and 46,502.99 is: 69,687.93
Step by Step Solution
- Step 1: Write the proportion equation
81,635.93 : 122,337.06 = 46,502.99 : x - Step 2: Convert to fraction form
81,635.93/122,337.06 = 46,502.99/x - Step 3: Cross multiply
81,635.93x = 122,337.06 × 46,502.99 - Step 4: Simplify right side
81,635.93x = 5,689,038,466.12 - Step 5: Solve for x
x = 5,689,038,466.12/81,635.93 - Step 6: Final answer
x = 69,687.93
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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.