Finding the Fourth Proportional to 91,553.63, 126,347.58 and 51,267.02
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Solution
The fourth proportional to 91,553.63, 126,347.58 and 51,267.02 is: 70,750.48
Step by Step Solution
- Step 1: Write the proportion equation
91,553.63 : 126,347.58 = 51,267.02 : x - Step 2: Convert to fraction form
91,553.63/126,347.58 = 51,267.02/x - Step 3: Cross multiply
91,553.63x = 126,347.58 × 51,267.02 - Step 4: Simplify right side
91,553.63x = 6,477,463,279.07 - Step 5: Solve for x
x = 6,477,463,279.07/91,553.63 - Step 6: Final answer
x = 70,750.48
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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.