Finding the Fourth Proportional to 89,127.36, 122,995.35 and 48,841.02
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Solution
The fourth proportional to 89,127.36, 122,995.35 and 48,841.02 is: 67,400.38
Step by Step Solution
- Step 1: Write the proportion equation
89,127.36 : 122,995.35 = 48,841.02 : x - Step 2: Convert to fraction form
89,127.36/122,995.35 = 48,841.02/x - Step 3: Cross multiply
89,127.36x = 122,995.35 × 48,841.02 - Step 4: Simplify right side
89,127.36x = 6,007,218,349.26 - Step 5: Solve for x
x = 6,007,218,349.26/89,127.36 - Step 6: Final answer
x = 67,400.38
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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.