Finding the Fourth Proportional to 93,071.97, 139,688.57 and 48,729.75
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Solution
The fourth proportional to 93,071.97, 139,688.57 and 48,729.75 is: 73,136.83
Step by Step Solution
- Step 1: Write the proportion equation
93,071.97 : 139,688.57 = 48,729.75 : x - Step 2: Convert to fraction form
93,071.97/139,688.57 = 48,729.75/x - Step 3: Cross multiply
93,071.97x = 139,688.57 × 48,729.75 - Step 4: Simplify right side
93,071.97x = 6,806,988,850.31 - Step 5: Solve for x
x = 6,806,988,850.31/93,071.97 - Step 6: Final answer
x = 73,136.83
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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.