Finding the Fourth Proportional to 79,726.54, 110,027.36 and 45,734.80
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Solution
The fourth proportional to 79,726.54, 110,027.36 and 45,734.80 is: 63,116.74
Step by Step Solution
- Step 1: Write the proportion equation
79,726.54 : 110,027.36 = 45,734.80 : x - Step 2: Convert to fraction form
79,726.54/110,027.36 = 45,734.80/x - Step 3: Cross multiply
79,726.54x = 110,027.36 × 45,734.80 - Step 4: Simplify right side
79,726.54x = 5,032,079,304.13 - Step 5: Solve for x
x = 5,032,079,304.13/79,726.54 - Step 6: Final answer
x = 63,116.74
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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.