Finding the Fourth Proportional to 77,092.98, 106,386.93 and 43,558.26
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Solution
The fourth proportional to 77,092.98, 106,386.93 and 43,558.26 is: 60,109.62
Step by Step Solution
- Step 1: Write the proportion equation
77,092.98 : 106,386.93 = 43,558.26 : x - Step 2: Convert to fraction form
77,092.98/106,386.93 = 43,558.26/x - Step 3: Cross multiply
77,092.98x = 106,386.93 × 43,558.26 - Step 4: Simplify right side
77,092.98x = 4,634,029,557.54 - Step 5: Solve for x
x = 4,634,029,557.54/77,092.98 - Step 6: Final answer
x = 60,109.62
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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.