Finding the Fourth Proportional to 74,992.06, 103,493.58 and 43,160.26
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Solution
The fourth proportional to 74,992.06, 103,493.58 and 43,160.26 is: 59,563.77
Step by Step Solution
- Step 1: Write the proportion equation
74,992.06 : 103,493.58 = 43,160.26 : x - Step 2: Convert to fraction form
74,992.06/103,493.58 = 43,160.26/x - Step 3: Cross multiply
74,992.06x = 103,493.58 × 43,160.26 - Step 4: Simplify right side
74,992.06x = 4,466,809,821.13 - Step 5: Solve for x
x = 4,466,809,821.13/74,992.06 - Step 6: Final answer
x = 59,563.77
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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.