Finding the Fourth Proportional to 88,644.84, 122,320.45 and 49,881.99
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Solution
The fourth proportional to 88,644.84, 122,320.45 and 49,881.99 is: 68,831.83
Step by Step Solution
- Step 1: Write the proportion equation
88,644.84 : 122,320.45 = 49,881.99 : x - Step 2: Convert to fraction form
88,644.84/122,320.45 = 49,881.99/x - Step 3: Cross multiply
88,644.84x = 122,320.45 × 49,881.99 - Step 4: Simplify right side
88,644.84x = 6,101,586,602.68 - Step 5: Solve for x
x = 6,101,586,602.68/88,644.84 - Step 6: Final answer
x = 68,831.83
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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.