Finding the Fourth Proportional to 90,115.73, 124,354.68 and 49,827.08
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Solution
The fourth proportional to 90,115.73, 124,354.68 and 49,827.08 is: 68,758.59
Step by Step Solution
- Step 1: Write the proportion equation
90,115.73 : 124,354.68 = 49,827.08 : x - Step 2: Convert to fraction form
90,115.73/124,354.68 = 49,827.08/x - Step 3: Cross multiply
90,115.73x = 124,354.68 × 49,827.08 - Step 4: Simplify right side
90,115.73x = 6,196,229,966.96 - Step 5: Solve for x
x = 6,196,229,966.96/90,115.73 - Step 6: Final answer
x = 68,758.59
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1.5x scale
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.