Finding the Fourth Proportional to 84,884.92, 117,140.94 and 46,646.98
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Solution
The fourth proportional to 84,884.92, 117,140.94 and 46,646.98 is: 64,372.70
Step by Step Solution
- Step 1: Write the proportion equation
84,884.92 : 117,140.94 = 46,646.98 : x - Step 2: Convert to fraction form
84,884.92/117,140.94 = 46,646.98/x - Step 3: Cross multiply
84,884.92x = 117,140.94 × 46,646.98 - Step 4: Simplify right side
84,884.92x = 5,464,271,085.36 - Step 5: Solve for x
x = 5,464,271,085.36/84,884.92 - Step 6: Final answer
x = 64,372.70
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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.