Finding the Fourth Proportional to 85,701.41, 118,253.88 and 53,847.75
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Solution
The fourth proportional to 85,701.41, 118,253.88 and 53,847.75 is: 74,301.06
Step by Step Solution
- Step 1: Write the proportion equation
85,701.41 : 118,253.88 = 53,847.75 : x - Step 2: Convert to fraction form
85,701.41/118,253.88 = 53,847.75/x - Step 3: Cross multiply
85,701.41x = 118,253.88 × 53,847.75 - Step 4: Simplify right side
85,701.41x = 6,367,705,366.77 - Step 5: Solve for x
x = 6,367,705,366.77/85,701.41 - Step 6: Final answer
x = 74,301.06
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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.