Finding the Fourth Proportional to 73,098.99, 100,876.86 and 39,564.99
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Solution
The fourth proportional to 73,098.99, 100,876.86 and 39,564.99 is: 54,599.82
Step by Step Solution
- Step 1: Write the proportion equation
73,098.99 : 100,876.86 = 39,564.99 : x - Step 2: Convert to fraction form
73,098.99/100,876.86 = 39,564.99/x - Step 3: Cross multiply
73,098.99x = 100,876.86 × 39,564.99 - Step 4: Simplify right side
73,098.99x = 3,991,191,957.13 - Step 5: Solve for x
x = 3,991,191,957.13/73,098.99 - Step 6: Final answer
x = 54,599.82
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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.