Finding the Fourth Proportional to 85,776.86, 118,368.61 and 47,536.97
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Solution
The fourth proportional to 85,776.86, 118,368.61 and 47,536.97 is: 65,599.09
Step by Step Solution
- Step 1: Write the proportion equation
85,776.86 : 118,368.61 = 47,536.97 : x - Step 2: Convert to fraction form
85,776.86/118,368.61 = 47,536.97/x - Step 3: Cross multiply
85,776.86x = 118,368.61 × 47,536.97 - Step 4: Simplify right side
85,776.86x = 5,626,884,351.83 - Step 5: Solve for x
x = 5,626,884,351.83/85,776.86 - Step 6: Final answer
x = 65,599.09
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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.