Finding the Fourth Proportional to 89,862.98, 124,010.12 and 49,577.09
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Solution
The fourth proportional to 89,862.98, 124,010.12 and 49,577.09 is: 68,415.94
Step by Step Solution
- Step 1: Write the proportion equation
89,862.98 : 124,010.12 = 49,577.09 : x - Step 2: Convert to fraction form
89,862.98/124,010.12 = 49,577.09/x - Step 3: Cross multiply
89,862.98x = 124,010.12 × 49,577.09 - Step 4: Simplify right side
89,862.98x = 6,148,060,632.27 - Step 5: Solve for x
x = 6,148,060,632.27/89,862.98 - Step 6: Final answer
x = 68,415.94
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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.