Finding the Fourth Proportional to 94,828.65, 130,858.29 and 54,543.09
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Solution
The fourth proportional to 94,828.65, 130,858.29 and 54,543.09 is: 75,266.45
Step by Step Solution
- Step 1: Write the proportion equation
94,828.65 : 130,858.29 = 54,543.09 : x - Step 2: Convert to fraction form
94,828.65/130,858.29 = 54,543.09/x - Step 3: Cross multiply
94,828.65x = 130,858.29 × 54,543.09 - Step 4: Simplify right side
94,828.65x = 7,137,415,488.72 - Step 5: Solve for x
x = 7,137,415,488.72/94,828.65 - Step 6: Final answer
x = 75,266.45
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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.