Finding the Fourth Proportional to 93,992.12, 129,715.10 and 62,105.08
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Solution
The fourth proportional to 93,992.12, 129,715.10 and 62,105.08 is: 85,708.96
Step by Step Solution
- Step 1: Write the proportion equation
93,992.12 : 129,715.10 = 62,105.08 : x - Step 2: Convert to fraction form
93,992.12/129,715.10 = 62,105.08/x - Step 3: Cross multiply
93,992.12x = 129,715.10 × 62,105.08 - Step 4: Simplify right side
93,992.12x = 8,055,966,662.71 - Step 5: Solve for x
x = 8,055,966,662.71/93,992.12 - Step 6: Final answer
x = 85,708.96
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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.