Finding the Fourth Proportional to 89,228.97, 123,136.16 and 48,943.07
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Solution
The fourth proportional to 89,228.97, 123,136.16 and 48,943.07 is: 67,541.53
Step by Step Solution
- Step 1: Write the proportion equation
89,228.97 : 123,136.16 = 48,943.07 : x - Step 2: Convert to fraction form
89,228.97/123,136.16 = 48,943.07/x - Step 3: Cross multiply
89,228.97x = 123,136.16 × 48,943.07 - Step 4: Simplify right side
89,228.97x = 6,026,660,838.02 - Step 5: Solve for x
x = 6,026,660,838.02/89,228.97 - Step 6: Final answer
x = 67,541.53
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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.