Finding the Fourth Proportional to 83,103.84, 124,701.12 and 48,111.84
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Solution
The fourth proportional to 83,103.84, 124,701.12 and 48,111.84 is: 72,194.02
Step by Step Solution
- Step 1: Write the proportion equation
83,103.84 : 124,701.12 = 48,111.84 : x - Step 2: Convert to fraction form
83,103.84/124,701.12 = 48,111.84/x - Step 3: Cross multiply
83,103.84x = 124,701.12 × 48,111.84 - Step 4: Simplify right side
83,103.84x = 5,999,600,333.26 - Step 5: Solve for x
x = 5,999,600,333.26/83,103.84 - Step 6: Final answer
x = 72,194.02
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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.