Finding the Fourth Proportional to 72,936.95, 109,405.53 and 48,087.99
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Solution
The fourth proportional to 72,936.95, 109,405.53 and 48,087.99 is: 72,132.06
Step by Step Solution
- Step 1: Write the proportion equation
72,936.95 : 109,405.53 = 48,087.99 : x - Step 2: Convert to fraction form
72,936.95/109,405.53 = 48,087.99/x - Step 3: Cross multiply
72,936.95x = 109,405.53 × 48,087.99 - Step 4: Simplify right side
72,936.95x = 5,261,092,032.58 - Step 5: Solve for x
x = 5,261,092,032.58/72,936.95 - Step 6: Final answer
x = 72,132.06
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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.