Finding the Fourth Proportional to 85,730.84, 118,366.35 and 53,514.53
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Solution
The fourth proportional to 85,730.84, 118,366.35 and 53,514.53 is: 73,886.12
Step by Step Solution
- Step 1: Write the proportion equation
85,730.84 : 118,366.35 = 53,514.53 : x - Step 2: Convert to fraction form
85,730.84/118,366.35 = 53,514.53/x - Step 3: Cross multiply
85,730.84x = 118,366.35 × 53,514.53 - Step 4: Simplify right side
85,730.84x = 6,334,318,996.23 - Step 5: Solve for x
x = 6,334,318,996.23/85,730.84 - Step 6: Final answer
x = 73,886.12
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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.