Finding the Fourth Proportional to 93,313.04, 139,844.28 and 51,129.68
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Solution
The fourth proportional to 93,313.04, 139,844.28 and 51,129.68 is: 76,625.87
Step by Step Solution
- Step 1: Write the proportion equation
93,313.04 : 139,844.28 = 51,129.68 : x - Step 2: Convert to fraction form
93,313.04/139,844.28 = 51,129.68/x - Step 3: Cross multiply
93,313.04x = 139,844.28 × 51,129.68 - Step 4: Simplify right side
93,313.04x = 7,150,193,286.23 - Step 5: Solve for x
x = 7,150,193,286.23/93,313.04 - Step 6: Final answer
x = 76,625.87
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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.