Finding the Fourth Proportional to 85,278.33, 117,682.03 and 47,037.05
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Solution
The fourth proportional to 85,278.33, 117,682.03 and 47,037.05 is: 64,909.99
Step by Step Solution
- Step 1: Write the proportion equation
85,278.33 : 117,682.03 = 47,037.05 : x - Step 2: Convert to fraction form
85,278.33/117,682.03 = 47,037.05/x - Step 3: Cross multiply
85,278.33x = 117,682.03 × 47,037.05 - Step 4: Simplify right side
85,278.33x = 5,535,415,532.08 - Step 5: Solve for x
x = 5,535,415,532.08/85,278.33 - Step 6: Final answer
x = 64,909.99
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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.