Finding the Fourth Proportional to 79,305.69, 118,989.68 and 34,901.30
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Solution
The fourth proportional to 79,305.69, 118,989.68 and 34,901.30 is: 52,365.65
Step by Step Solution
- Step 1: Write the proportion equation
79,305.69 : 118,989.68 = 34,901.30 : x - Step 2: Convert to fraction form
79,305.69/118,989.68 = 34,901.30/x - Step 3: Cross multiply
79,305.69x = 118,989.68 × 34,901.30 - Step 4: Simplify right side
79,305.69x = 4,152,893,749.13 - Step 5: Solve for x
x = 4,152,893,749.13/79,305.69 - Step 6: Final answer
x = 52,365.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.