Finding the Fourth Proportional to 87,844.87, 121,225.08 and 47,557.59
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Solution
The fourth proportional to 87,844.87, 121,225.08 and 47,557.59 is: 65,629.02
Step by Step Solution
- Step 1: Write the proportion equation
87,844.87 : 121,225.08 = 47,557.59 : x - Step 2: Convert to fraction form
87,844.87/121,225.08 = 47,557.59/x - Step 3: Cross multiply
87,844.87x = 121,225.08 × 47,557.59 - Step 4: Simplify right side
87,844.87x = 5,765,172,652.36 - Step 5: Solve for x
x = 5,765,172,652.36/87,844.87 - Step 6: Final answer
x = 65,629.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.