Finding the Fourth Proportional to 92,825.57, 128,088.62 and 51,983.99
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Solution
The fourth proportional to 92,825.57, 128,088.62 and 51,983.99 is: 71,731.94
Step by Step Solution
- Step 1: Write the proportion equation
92,825.57 : 128,088.62 = 51,983.99 : x - Step 2: Convert to fraction form
92,825.57/128,088.62 = 51,983.99/x - Step 3: Cross multiply
92,825.57x = 128,088.62 × 51,983.99 - Step 4: Simplify right side
92,825.57x = 6,658,557,541.19 - Step 5: Solve for x
x = 6,658,557,541.19/92,825.57 - Step 6: Final answer
x = 71,731.94
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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.