Finding the Fourth Proportional to 124,521.62, 171,841.76 and 67,932.99
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Solution
The fourth proportional to 124,521.62, 171,841.76 and 67,932.99 is: 93,748.58
Step by Step Solution
- Step 1: Write the proportion equation
124,521.62 : 171,841.76 = 67,932.99 : x - Step 2: Convert to fraction form
124,521.62/171,841.76 = 67,932.99/x - Step 3: Cross multiply
124,521.62x = 171,841.76 × 67,932.99 - Step 4: Simplify right side
124,521.62x = 11,673,724,224.00 - Step 5: Solve for x
x = 11,673,724,224.00/124,521.62 - Step 6: Final answer
x = 93,748.58
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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.