Finding the Fourth Proportional to 88,739.69, 122,465.73 and 48,457.20
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Solution
The fourth proportional to 88,739.69, 122,465.73 and 48,457.20 is: 66,873.65
Step by Step Solution
- Step 1: Write the proportion equation
88,739.69 : 122,465.73 = 48,457.20 : x - Step 2: Convert to fraction form
88,739.69/122,465.73 = 48,457.20/x - Step 3: Cross multiply
88,739.69x = 122,465.73 × 48,457.20 - Step 4: Simplify right side
88,739.69x = 5,934,346,371.76 - Step 5: Solve for x
x = 5,934,346,371.76/88,739.69 - Step 6: Final answer
x = 66,873.65
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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.