Finding the Fourth Proportional to 75,998.60, 104,823.66 and 53,342.63
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Solution
The fourth proportional to 75,998.60, 104,823.66 and 53,342.63 is: 73,574.64
Step by Step Solution
- Step 1: Write the proportion equation
75,998.60 : 104,823.66 = 53,342.63 : x - Step 2: Convert to fraction form
75,998.60/104,823.66 = 53,342.63/x - Step 3: Cross multiply
75,998.60x = 104,823.66 × 53,342.63 - Step 4: Simplify right side
75,998.60x = 5,591,569,710.63 - Step 5: Solve for x
x = 5,591,569,710.63/75,998.60 - Step 6: Final answer
x = 73,574.64
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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.