Finding the Fourth Proportional to 85,528.84, 118,030.26 and 49,719.48
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Solution
The fourth proportional to 85,528.84, 118,030.26 and 49,719.48 is: 68,613.15
Step by Step Solution
- Step 1: Write the proportion equation
85,528.84 : 118,030.26 = 49,719.48 : x - Step 2: Convert to fraction form
85,528.84/118,030.26 = 49,719.48/x - Step 3: Cross multiply
85,528.84x = 118,030.26 × 49,719.48 - Step 4: Simplify right side
85,528.84x = 5,868,403,151.46 - Step 5: Solve for x
x = 5,868,403,151.46/85,528.84 - Step 6: Final answer
x = 68,613.15
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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.