Finding the Fourth Proportional to 73,702.99, 101,712.95 and 40,168.99
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Solution
The fourth proportional to 73,702.99, 101,712.95 and 40,168.99 is: 55,434.75
Step by Step Solution
- Step 1: Write the proportion equation
73,702.99 : 101,712.95 = 40,168.99 : x - Step 2: Convert to fraction form
73,702.99/101,712.95 = 40,168.99/x - Step 3: Cross multiply
73,702.99x = 101,712.95 × 40,168.99 - Step 4: Simplify right side
73,702.99x = 4,085,706,471.42 - Step 5: Solve for x
x = 4,085,706,471.42/73,702.99 - Step 6: Final answer
x = 55,434.75
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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.