Finding the Fourth Proportional to 86,110.08, 129,161.58 and 29,963.04
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Solution
The fourth proportional to 86,110.08, 129,161.58 and 29,963.04 is: 44,943.33
Step by Step Solution
- Step 1: Write the proportion equation
86,110.08 : 129,161.58 = 29,963.04 : x - Step 2: Convert to fraction form
86,110.08/129,161.58 = 29,963.04/x - Step 3: Cross multiply
86,110.08x = 129,161.58 × 29,963.04 - Step 4: Simplify right side
86,110.08x = 3,870,073,588.00 - Step 5: Solve for x
x = 3,870,073,588.00/86,110.08 - Step 6: Final answer
x = 44,943.33
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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.