Finding the Fourth Proportional to 75,238.47, 103,828.50 and 41,247.09
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Solution
The fourth proportional to 75,238.47, 103,828.50 and 41,247.09 is: 56,920.66
Step by Step Solution
- Step 1: Write the proportion equation
75,238.47 : 103,828.50 = 41,247.09 : x - Step 2: Convert to fraction form
75,238.47/103,828.50 = 41,247.09/x - Step 3: Cross multiply
75,238.47x = 103,828.50 × 41,247.09 - Step 4: Simplify right side
75,238.47x = 4,282,623,484.07 - Step 5: Solve for x
x = 4,282,623,484.07/75,238.47 - Step 6: Final answer
x = 56,920.66
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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.