Finding the Fourth Proportional to 90,276.18, 124,595.19 and 51,514.08
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Solution
The fourth proportional to 90,276.18, 124,595.19 and 51,514.08 is: 71,097.45
Step by Step Solution
- Step 1: Write the proportion equation
90,276.18 : 124,595.19 = 51,514.08 : x - Step 2: Convert to fraction form
90,276.18/124,595.19 = 51,514.08/x - Step 3: Cross multiply
90,276.18x = 124,595.19 × 51,514.08 - Step 4: Simplify right side
90,276.18x = 6,418,406,585.28 - Step 5: Solve for x
x = 6,418,406,585.28/90,276.18 - Step 6: Final answer
x = 71,097.45
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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.