Finding the Fourth Proportional to 84,019.41, 125,732.93 and 52,444.28
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Solution
The fourth proportional to 84,019.41, 125,732.93 and 52,444.28 is: 78,481.54
Step by Step Solution
- Step 1: Write the proportion equation
84,019.41 : 125,732.93 = 52,444.28 : x - Step 2: Convert to fraction form
84,019.41/125,732.93 = 52,444.28/x - Step 3: Cross multiply
84,019.41x = 125,732.93 × 52,444.28 - Step 4: Simplify right side
84,019.41x = 6,593,973,038.25 - Step 5: Solve for x
x = 6,593,973,038.25/84,019.41 - Step 6: Final answer
x = 78,481.54
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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.