Finding the Fourth Proportional to 86,895.15, 130,344.99 and 27,730.74
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Solution
The fourth proportional to 86,895.15, 130,344.99 and 27,730.74 is: 41,596.83
Step by Step Solution
- Step 1: Write the proportion equation
86,895.15 : 130,344.99 = 27,730.74 : x - Step 2: Convert to fraction form
86,895.15/130,344.99 = 27,730.74/x - Step 3: Cross multiply
86,895.15x = 130,344.99 × 27,730.74 - Step 4: Simplify right side
86,895.15x = 3,614,563,027.99 - Step 5: Solve for x
x = 3,614,563,027.99/86,895.15 - Step 6: Final answer
x = 41,596.83
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1.5x scale
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.