Finding the Fourth Proportional to 88,270.02, 121,809.66 and 50,536.98
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Solution
The fourth proportional to 88,270.02, 121,809.66 and 50,536.98 is: 69,739.33
Step by Step Solution
- Step 1: Write the proportion equation
88,270.02 : 121,809.66 = 50,536.98 : x - Step 2: Convert to fraction form
88,270.02/121,809.66 = 50,536.98/x - Step 3: Cross multiply
88,270.02x = 121,809.66 × 50,536.98 - Step 4: Simplify right side
88,270.02x = 6,155,892,351.23 - Step 5: Solve for x
x = 6,155,892,351.23/88,270.02 - Step 6: Final answer
x = 69,739.33
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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.