Finding the Fourth Proportional to 83,079.15, 114,603.05 and 54,444.99
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Solution
The fourth proportional to 83,079.15, 114,603.05 and 54,444.99 is: 75,103.82
Step by Step Solution
- Step 1: Write the proportion equation
83,079.15 : 114,603.05 = 54,444.99 : x - Step 2: Convert to fraction form
83,079.15/114,603.05 = 54,444.99/x - Step 3: Cross multiply
83,079.15x = 114,603.05 × 54,444.99 - Step 4: Simplify right side
83,079.15x = 6,239,561,638.99 - Step 5: Solve for x
x = 6,239,561,638.99/83,079.15 - Step 6: Final answer
x = 75,103.82
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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.