Finding the Fourth Proportional to 84,113.29, 116,078.93 and 48,310.48
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Solution
The fourth proportional to 84,113.29, 116,078.93 and 48,310.48 is: 66,669.95
Step by Step Solution
- Step 1: Write the proportion equation
84,113.29 : 116,078.93 = 48,310.48 : x - Step 2: Convert to fraction form
84,113.29/116,078.93 = 48,310.48/x - Step 3: Cross multiply
84,113.29x = 116,078.93 × 48,310.48 - Step 4: Simplify right side
84,113.29x = 5,607,828,475.60 - Step 5: Solve for x
x = 5,607,828,475.60/84,113.29 - Step 6: Final answer
x = 66,669.95
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1.5x scale
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.