Finding the Fourth Proportional to 86,693.96, 130,045.44 and 27,534.26
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Solution
The fourth proportional to 86,693.96, 130,045.44 and 27,534.26 is: 41,302.82
Step by Step Solution
- Step 1: Write the proportion equation
86,693.96 : 130,045.44 = 27,534.26 : x - Step 2: Convert to fraction form
86,693.96/130,045.44 = 27,534.26/x - Step 3: Cross multiply
86,693.96x = 130,045.44 × 27,534.26 - Step 4: Simplify right side
86,693.96x = 3,580,704,562.83 - Step 5: Solve for x
x = 3,580,704,562.83/86,693.96 - Step 6: Final answer
x = 41,302.82
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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.