Finding the Fourth Proportional to 86,828.75, 130,241.76 and 27,664.02
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Solution
The fourth proportional to 86,828.75, 130,241.76 and 27,664.02 is: 41,495.59
Step by Step Solution
- Step 1: Write the proportion equation
86,828.75 : 130,241.76 = 27,664.02 : x - Step 2: Convert to fraction form
86,828.75/130,241.76 = 27,664.02/x - Step 3: Cross multiply
86,828.75x = 130,241.76 × 27,664.02 - Step 4: Simplify right side
86,828.75x = 3,603,010,549.74 - Step 5: Solve for x
x = 3,603,010,549.74/86,828.75 - Step 6: Final answer
x = 41,495.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.