Finding the Fourth Proportional to 85,833.27, 118,437.93 and 49,995.63
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Solution
The fourth proportional to 85,833.27, 118,437.93 and 49,995.63 is: 68,986.99
Step by Step Solution
- Step 1: Write the proportion equation
85,833.27 : 118,437.93 = 49,995.63 : x - Step 2: Convert to fraction form
85,833.27/118,437.93 = 49,995.63/x - Step 3: Cross multiply
85,833.27x = 118,437.93 × 49,995.63 - Step 4: Simplify right side
85,833.27x = 5,921,378,926.25 - Step 5: Solve for x
x = 5,921,378,926.25/85,833.27 - Step 6: Final answer
x = 68,986.99
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1.5x scale
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.