Finding the Fourth Proportional to 83,112.06, 124,690.27 and 29,809.41
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Solution
The fourth proportional to 83,112.06, 124,690.27 and 29,809.41 is: 44,722.07
Step by Step Solution
- Step 1: Write the proportion equation
83,112.06 : 124,690.27 = 29,809.41 : x - Step 2: Convert to fraction form
83,112.06/124,690.27 = 29,809.41/x - Step 3: Cross multiply
83,112.06x = 124,690.27 × 29,809.41 - Step 4: Simplify right side
83,112.06x = 3,716,943,381.44 - Step 5: Solve for x
x = 3,716,943,381.44/83,112.06 - Step 6: Final answer
x = 44,722.07
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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.