Finding the Fourth Proportional to 94,315.08, 130,154.13 and 51,872.70
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Solution
The fourth proportional to 94,315.08, 130,154.13 and 51,872.70 is: 71,583.95
Step by Step Solution
- Step 1: Write the proportion equation
94,315.08 : 130,154.13 = 51,872.70 : x - Step 2: Convert to fraction form
94,315.08/130,154.13 = 51,872.70/x - Step 3: Cross multiply
94,315.08x = 130,154.13 × 51,872.70 - Step 4: Simplify right side
94,315.08x = 6,751,446,139.25 - Step 5: Solve for x
x = 6,751,446,139.25/94,315.08 - Step 6: Final answer
x = 71,583.95
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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.