Finding the Fourth Proportional to 75,848.29, 104,669.90 and 41,857.09
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Solution
The fourth proportional to 75,848.29, 104,669.90 and 41,857.09 is: 57,762.37
Step by Step Solution
- Step 1: Write the proportion equation
75,848.29 : 104,669.90 = 41,857.09 : x - Step 2: Convert to fraction form
75,848.29/104,669.90 = 41,857.09/x - Step 3: Cross multiply
75,848.29x = 104,669.90 × 41,857.09 - Step 4: Simplify right side
75,848.29x = 4,381,176,901.24 - Step 5: Solve for x
x = 4,381,176,901.24/75,848.29 - Step 6: Final answer
x = 57,762.37
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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.