Finding the Fourth Proportional to 115,619.50, 159,554.91 and 62,627.50
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Solution
The fourth proportional to 115,619.50, 159,554.91 and 62,627.50 is: 86,425.95
Step by Step Solution
- Step 1: Write the proportion equation
115,619.50 : 159,554.91 = 62,627.50 : x - Step 2: Convert to fraction form
115,619.50/159,554.91 = 62,627.50/x - Step 3: Cross multiply
115,619.50x = 159,554.91 × 62,627.50 - Step 4: Simplify right side
115,619.50x = 9,992,525,126.03 - Step 5: Solve for x
x = 9,992,525,126.03/115,619.50 - Step 6: Final answer
x = 86,425.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.