Finding the Fourth Proportional to 74,917.07, 103,388.70 and 43,085.99
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Solution
The fourth proportional to 74,917.07, 103,388.70 and 43,085.99 is: 59,460.48
Step by Step Solution
- Step 1: Write the proportion equation
74,917.07 : 103,388.70 = 43,085.99 : x - Step 2: Convert to fraction form
74,917.07/103,388.70 = 43,085.99/x - Step 3: Cross multiply
74,917.07x = 103,388.70 × 43,085.99 - Step 4: Simplify right side
74,917.07x = 4,454,604,645.07 - Step 5: Solve for x
x = 4,454,604,645.07/74,917.07 - Step 6: Final answer
x = 59,460.48
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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.