Finding the Fourth Proportional to 71,322.08, 106,943.12 and 48,858.14
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Solution
The fourth proportional to 71,322.08, 106,943.12 and 48,858.14 is: 73,259.81
Step by Step Solution
- Step 1: Write the proportion equation
71,322.08 : 106,943.12 = 48,858.14 : x - Step 2: Convert to fraction form
71,322.08/106,943.12 = 48,858.14/x - Step 3: Cross multiply
71,322.08x = 106,943.12 × 48,858.14 - Step 4: Simplify right side
71,322.08x = 5,225,041,533.73 - Step 5: Solve for x
x = 5,225,041,533.73/71,322.08 - Step 6: Final answer
x = 73,259.81
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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.