Finding the Fourth Proportional to 85,592.08, 118,122.76 and 47,864.08
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Solution
The fourth proportional to 85,592.08, 118,122.76 and 47,864.08 is: 66,055.61
Step by Step Solution
- Step 1: Write the proportion equation
85,592.08 : 118,122.76 = 47,864.08 : x - Step 2: Convert to fraction form
85,592.08/118,122.76 = 47,864.08/x - Step 3: Cross multiply
85,592.08x = 118,122.76 × 47,864.08 - Step 4: Simplify right side
85,592.08x = 5,653,837,234.46 - Step 5: Solve for x
x = 5,653,837,234.46/85,592.08 - Step 6: Final answer
x = 66,055.61
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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.