Finding the Fourth Proportional to 93,293.37, 139,948.45 and 30,114.99
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Solution
The fourth proportional to 93,293.37, 139,948.45 and 30,114.99 is: 45,175.19
Step by Step Solution
- Step 1: Write the proportion equation
93,293.37 : 139,948.45 = 30,114.99 : x - Step 2: Convert to fraction form
93,293.37/139,948.45 = 30,114.99/x - Step 3: Cross multiply
93,293.37x = 139,948.45 × 30,114.99 - Step 4: Simplify right side
93,293.37x = 4,214,546,172.27 - Step 5: Solve for x
x = 4,214,546,172.27/93,293.37 - Step 6: Final answer
x = 45,175.19
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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.