Finding the Fourth Proportional to 86,246.98, 119,038.54 and 50,445.80
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Solution
The fourth proportional to 86,246.98, 119,038.54 and 50,445.80 is: 69,625.56
Step by Step Solution
- Step 1: Write the proportion equation
86,246.98 : 119,038.54 = 50,445.80 : x - Step 2: Convert to fraction form
86,246.98/119,038.54 = 50,445.80/x - Step 3: Cross multiply
86,246.98x = 119,038.54 × 50,445.80 - Step 4: Simplify right side
86,246.98x = 6,004,994,381.13 - Step 5: Solve for x
x = 6,004,994,381.13/86,246.98 - Step 6: Final answer
x = 69,625.56
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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.