Finding the Fourth Proportional to 76,743.17, 115,130.37 and 32,370.08
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Solution
The fourth proportional to 76,743.17, 115,130.37 and 32,370.08 is: 48,561.71
Step by Step Solution
- Step 1: Write the proportion equation
76,743.17 : 115,130.37 = 32,370.08 : x - Step 2: Convert to fraction form
76,743.17/115,130.37 = 32,370.08/x - Step 3: Cross multiply
76,743.17x = 115,130.37 × 32,370.08 - Step 4: Simplify right side
76,743.17x = 3,726,779,287.33 - Step 5: Solve for x
x = 3,726,779,287.33/76,743.17 - Step 6: Final answer
x = 48,561.71
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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.