Finding the Fourth Proportional to 76,726.35, 105,887.69 and 46,512.95
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Solution
The fourth proportional to 76,726.35, 105,887.69 and 46,512.95 is: 64,191.09
Step by Step Solution
- Step 1: Write the proportion equation
76,726.35 : 105,887.69 = 46,512.95 : x - Step 2: Convert to fraction form
76,726.35/105,887.69 = 46,512.95/x - Step 3: Cross multiply
76,726.35x = 105,887.69 × 46,512.95 - Step 4: Simplify right side
76,726.35x = 4,925,148,293.80 - Step 5: Solve for x
x = 4,925,148,293.80/76,726.35 - Step 6: Final answer
x = 64,191.09
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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.