Finding the Fourth Proportional to 73,359.36, 109,822.28 and 54,721.12
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Solution
The fourth proportional to 73,359.36, 109,822.28 and 54,721.12 is: 81,919.99
Step by Step Solution
- Step 1: Write the proportion equation
73,359.36 : 109,822.28 = 54,721.12 : x - Step 2: Convert to fraction form
73,359.36/109,822.28 = 54,721.12/x - Step 3: Cross multiply
73,359.36x = 109,822.28 × 54,721.12 - Step 4: Simplify right side
73,359.36x = 6,009,598,162.55 - Step 5: Solve for x
x = 6,009,598,162.55/73,359.36 - Step 6: Final answer
x = 81,919.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.