Finding the Fourth Proportional to 85,693.68, 118,258.52 and 49,375.08
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Solution
The fourth proportional to 85,693.68, 118,258.52 and 49,375.08 is: 68,138.32
Step by Step Solution
- Step 1: Write the proportion equation
85,693.68 : 118,258.52 = 49,375.08 : x - Step 2: Convert to fraction form
85,693.68/118,258.52 = 49,375.08/x - Step 3: Cross multiply
85,693.68x = 118,258.52 × 49,375.08 - Step 4: Simplify right side
85,693.68x = 5,839,023,638.81 - Step 5: Solve for x
x = 5,839,023,638.81/85,693.68 - Step 6: Final answer
x = 68,138.32
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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.