Finding the Fourth Proportional to 86,070.38, 118,788.26 and 48,344.63
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Solution
The fourth proportional to 86,070.38, 118,788.26 and 48,344.63 is: 66,721.84
Step by Step Solution
- Step 1: Write the proportion equation
86,070.38 : 118,788.26 = 48,344.63 : x - Step 2: Convert to fraction form
86,070.38/118,788.26 = 48,344.63/x - Step 3: Cross multiply
86,070.38x = 118,788.26 × 48,344.63 - Step 4: Simplify right side
86,070.38x = 5,742,773,642.38 - Step 5: Solve for x
x = 5,742,773,642.38/86,070.38 - Step 6: Final answer
x = 66,721.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.