Finding the Fourth Proportional to 85,770.42, 118,273.95 and 67,837.02
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Solution
The fourth proportional to 85,770.42, 118,273.95 and 67,837.02 is: 93,544.51
Step by Step Solution
- Step 1: Write the proportion equation
85,770.42 : 118,273.95 = 67,837.02 : x - Step 2: Convert to fraction form
85,770.42/118,273.95 = 67,837.02/x - Step 3: Cross multiply
85,770.42x = 118,273.95 × 67,837.02 - Step 4: Simplify right side
85,770.42x = 8,023,352,311.63 - Step 5: Solve for x
x = 8,023,352,311.63/85,770.42 - Step 6: Final answer
x = 93,544.51
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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.