Finding the Fourth Proportional to 84,281.92, 116,312.58 and 48,471.96
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Solution
The fourth proportional to 84,281.92, 116,312.58 and 48,471.96 is: 66,893.34
Step by Step Solution
- Step 1: Write the proportion equation
84,281.92 : 116,312.58 = 48,471.96 : x - Step 2: Convert to fraction form
84,281.92/116,312.58 = 48,471.96/x - Step 3: Cross multiply
84,281.92x = 116,312.58 × 48,471.96 - Step 4: Simplify right side
84,281.92x = 5,637,898,725.26 - Step 5: Solve for x
x = 5,637,898,725.26/84,281.92 - Step 6: Final answer
x = 66,893.34
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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.