Finding the Fourth Proportional to 97,140.75, 134,054.64 and 54,699.99
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Solution
The fourth proportional to 97,140.75, 134,054.64 and 54,699.99 is: 75,486.21
Step by Step Solution
- Step 1: Write the proportion equation
97,140.75 : 134,054.64 = 54,699.99 : x - Step 2: Convert to fraction form
97,140.75/134,054.64 = 54,699.99/x - Step 3: Cross multiply
97,140.75x = 134,054.64 × 54,699.99 - Step 4: Simplify right side
97,140.75x = 7,332,787,467.45 - Step 5: Solve for x
x = 7,332,787,467.45/97,140.75 - Step 6: Final answer
x = 75,486.21
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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.