Finding the Fourth Proportional to 88,745.13, 122,473.26 and 48,462.65
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Solution
The fourth proportional to 88,745.13, 122,473.26 and 48,462.65 is: 66,881.18
Step by Step Solution
- Step 1: Write the proportion equation
88,745.13 : 122,473.26 = 48,462.65 : x - Step 2: Convert to fraction form
88,745.13/122,473.26 = 48,462.65/x - Step 3: Cross multiply
88,745.13x = 122,473.26 × 48,462.65 - Step 4: Simplify right side
88,745.13x = 5,935,378,733.74 - Step 5: Solve for x
x = 5,935,378,733.74/88,745.13 - Step 6: Final answer
x = 66,881.18
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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.