Finding the Fourth Proportional to 89,195.33, 123,090.74 and 48,908.99
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Solution
The fourth proportional to 89,195.33, 123,090.74 and 48,908.99 is: 67,495.05
Step by Step Solution
- Step 1: Write the proportion equation
89,195.33 : 123,090.74 = 48,908.99 : x - Step 2: Convert to fraction form
89,195.33/123,090.74 = 48,908.99/x - Step 3: Cross multiply
89,195.33x = 123,090.74 × 48,908.99 - Step 4: Simplify right side
89,195.33x = 6,020,242,911.75 - Step 5: Solve for x
x = 6,020,242,911.75/89,195.33 - Step 6: Final answer
x = 67,495.05
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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.