Finding the Fourth Proportional to 71,655.82, 107,484.80 and 27,285.03
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Solution
The fourth proportional to 71,655.82, 107,484.80 and 27,285.03 is: 40,927.95
Step by Step Solution
- Step 1: Write the proportion equation
71,655.82 : 107,484.80 = 27,285.03 : x - Step 2: Convert to fraction form
71,655.82/107,484.80 = 27,285.03/x - Step 3: Cross multiply
71,655.82x = 107,484.80 × 27,285.03 - Step 4: Simplify right side
71,655.82x = 2,932,725,856.12 - Step 5: Solve for x
x = 2,932,725,856.12/71,655.82 - Step 6: Final answer
x = 40,927.95
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1.5x scale
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.