Finding the Fourth Proportional to 83,473.23, 115,188.99 and 47,175.41
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Solution
The fourth proportional to 83,473.23, 115,188.99 and 47,175.41 is: 65,099.77
Step by Step Solution
- Step 1: Write the proportion equation
83,473.23 : 115,188.99 = 47,175.41 : x - Step 2: Convert to fraction form
83,473.23/115,188.99 = 47,175.41/x - Step 3: Cross multiply
83,473.23x = 115,188.99 × 47,175.41 - Step 4: Simplify right side
83,473.23x = 5,434,087,941.80 - Step 5: Solve for x
x = 5,434,087,941.80/83,473.23 - Step 6: Final answer
x = 65,099.77
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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.