Finding the Fourth Proportional to 93,887.91, 129,566.39 and 51,447.15
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Solution
The fourth proportional to 93,887.91, 129,566.39 and 51,447.15 is: 70,997.65
Step by Step Solution
- Step 1: Write the proportion equation
93,887.91 : 129,566.39 = 51,447.15 : x - Step 2: Convert to fraction form
93,887.91/129,566.39 = 51,447.15/x - Step 3: Cross multiply
93,887.91x = 129,566.39 × 51,447.15 - Step 4: Simplify right side
93,887.91x = 6,665,821,244.05 - Step 5: Solve for x
x = 6,665,821,244.05/93,887.91 - Step 6: Final answer
x = 70,997.65
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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.