Finding the Fourth Proportional to 86,916.08, 130,349.00 and 39,504.75
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Solution
The fourth proportional to 86,916.08, 130,349.00 and 39,504.75 is: 59,245.71
Step by Step Solution
- Step 1: Write the proportion equation
86,916.08 : 130,349.00 = 39,504.75 : x - Step 2: Convert to fraction form
86,916.08/130,349.00 = 39,504.75/x - Step 3: Cross multiply
86,916.08x = 130,349.00 × 39,504.75 - Step 4: Simplify right side
86,916.08x = 5,149,404,460.23 - Step 5: Solve for x
x = 5,149,404,460.23/86,916.08 - Step 6: Final answer
x = 59,245.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.