Finding the Fourth Proportional to 77,391.06, 115,977.08 and 32,973.08
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Solution
The fourth proportional to 77,391.06, 115,977.08 and 32,973.08 is: 49,412.96
Step by Step Solution
- Step 1: Write the proportion equation
77,391.06 : 115,977.08 = 32,973.08 : x - Step 2: Convert to fraction form
77,391.06/115,977.08 = 32,973.08/x - Step 3: Cross multiply
77,391.06x = 115,977.08 × 32,973.08 - Step 4: Simplify right side
77,391.06x = 3,824,121,537.01 - Step 5: Solve for x
x = 3,824,121,537.01/77,391.06 - Step 6: Final answer
x = 49,412.96
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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.