Finding the Fourth Proportional to 77,214.88, 106,566.58 and 43,236.32
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Solution
The fourth proportional to 77,214.88, 106,566.58 and 43,236.32 is: 59,671.75
Step by Step Solution
- Step 1: Write the proportion equation
77,214.88 : 106,566.58 = 43,236.32 : x - Step 2: Convert to fraction form
77,214.88/106,566.58 = 43,236.32/x - Step 3: Cross multiply
77,214.88x = 106,566.58 × 43,236.32 - Step 4: Simplify right side
77,214.88x = 4,607,546,754.19 - Step 5: Solve for x
x = 4,607,546,754.19/77,214.88 - Step 6: Final answer
x = 59,671.75
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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.