Finding the Fourth Proportional to 75,407.49, 113,116.73 and 25,470.99
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Solution
The fourth proportional to 75,407.49, 113,116.73 and 25,470.99 is: 38,208.34
Step by Step Solution
- Step 1: Write the proportion equation
75,407.49 : 113,116.73 = 25,470.99 : x - Step 2: Convert to fraction form
75,407.49/113,116.73 = 25,470.99/x - Step 3: Cross multiply
75,407.49x = 113,116.73 × 25,470.99 - Step 4: Simplify right side
75,407.49x = 2,881,194,971.31 - Step 5: Solve for x
x = 2,881,194,971.31/75,407.49 - Step 6: Final answer
x = 38,208.34
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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.