Finding the Fourth Proportional to 79,643.44, 109,890.30 and 46,090
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Solution
The fourth proportional to 79,643.44, 109,890.30 and 46,090 is: 63,593.99
Step by Step Solution
- Step 1: Write the proportion equation
79,643.44 : 109,890.30 = 46,090 : x - Step 2: Convert to fraction form
79,643.44/109,890.30 = 46,090/x - Step 3: Cross multiply
79,643.44x = 109,890.30 × 46,090 - Step 4: Simplify right side
79,643.44x = 5,064,843,927 - Step 5: Solve for x
x = 5,064,843,927/79,643.44 - Step 6: Final answer
x = 63,593.99
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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.