Finding the Fourth Proportional to 83,044.82, 124,379.93 and 38,577.99
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Solution
The fourth proportional to 83,044.82, 124,379.93 and 38,577.99 is: 57,779.98
Step by Step Solution
- Step 1: Write the proportion equation
83,044.82 : 124,379.93 = 38,577.99 : x - Step 2: Convert to fraction form
83,044.82/124,379.93 = 38,577.99/x - Step 3: Cross multiply
83,044.82x = 124,379.93 × 38,577.99 - Step 4: Simplify right side
83,044.82x = 4,798,328,258.61 - Step 5: Solve for x
x = 4,798,328,258.61/83,044.82 - Step 6: Final answer
x = 57,779.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.