Finding the Fourth Proportional to 75,276.59, 112,914.81 and 22,686.08
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Solution
The fourth proportional to 75,276.59, 112,914.81 and 22,686.08 is: 34,029.09
Step by Step Solution
- Step 1: Write the proportion equation
75,276.59 : 112,914.81 = 22,686.08 : x - Step 2: Convert to fraction form
75,276.59/112,914.81 = 22,686.08/x - Step 3: Cross multiply
75,276.59x = 112,914.81 × 22,686.08 - Step 4: Simplify right side
75,276.59x = 2,561,593,848.27 - Step 5: Solve for x
x = 2,561,593,848.27/75,276.59 - Step 6: Final answer
x = 34,029.09
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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.