Finding the Fourth Proportional to 75,337.19, 103,970.13 and 49,798.75
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Solution
The fourth proportional to 75,337.19, 103,970.13 and 49,798.75 is: 68,725.45
Step by Step Solution
- Step 1: Write the proportion equation
75,337.19 : 103,970.13 = 49,798.75 : x - Step 2: Convert to fraction form
75,337.19/103,970.13 = 49,798.75/x - Step 3: Cross multiply
75,337.19x = 103,970.13 × 49,798.75 - Step 4: Simplify right side
75,337.19x = 5,177,582,539.73 - Step 5: Solve for x
x = 5,177,582,539.73/75,337.19 - Step 6: Final answer
x = 68,725.45
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1.5x scale
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.