Finding the Fourth Proportional to 90,935.07, 125,547.84 and 67,020.09
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Solution
The fourth proportional to 90,935.07, 125,547.84 and 67,020.09 is: 92,530.06
Step by Step Solution
- Step 1: Write the proportion equation
90,935.07 : 125,547.84 = 67,020.09 : x - Step 2: Convert to fraction form
90,935.07/125,547.84 = 67,020.09/x - Step 3: Cross multiply
90,935.07x = 125,547.84 × 67,020.09 - Step 4: Simplify right side
90,935.07x = 8,414,227,536.11 - Step 5: Solve for x
x = 8,414,227,536.11/90,935.07 - Step 6: Final answer
x = 92,530.06
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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.