Finding the Fourth Proportional to 85,732.08, 118,307.58 and 47,490.08
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Solution
The fourth proportional to 85,732.08, 118,307.58 and 47,490.08 is: 65,534.82
Step by Step Solution
- Step 1: Write the proportion equation
85,732.08 : 118,307.58 = 47,490.08 : x - Step 2: Convert to fraction form
85,732.08/118,307.58 = 47,490.08/x - Step 3: Cross multiply
85,732.08x = 118,307.58 × 47,490.08 - Step 4: Simplify right side
85,732.08x = 5,618,436,438.81 - Step 5: Solve for x
x = 5,618,436,438.81/85,732.08 - Step 6: Final answer
x = 65,534.82
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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.