Finding the Fourth Proportional to 94,079.98, 129,830.34 and 51,638.41
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Solution
The fourth proportional to 94,079.98, 129,830.34 and 51,638.41 is: 71,260.99
Step by Step Solution
- Step 1: Write the proportion equation
94,079.98 : 129,830.34 = 51,638.41 : x - Step 2: Convert to fraction form
94,079.98/129,830.34 = 51,638.41/x - Step 3: Cross multiply
94,079.98x = 129,830.34 × 51,638.41 - Step 4: Simplify right side
94,079.98x = 6,704,232,327.36 - Step 5: Solve for x
x = 6,704,232,327.36/94,079.98 - Step 6: Final answer
x = 71,260.99
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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.