Finding the Fourth Proportional to 88,208.04, 121,727.92 and 47,922.08
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Solution
The fourth proportional to 88,208.04, 121,727.92 and 47,922.08 is: 66,132.92
Step by Step Solution
- Step 1: Write the proportion equation
88,208.04 : 121,727.92 = 47,922.08 : x - Step 2: Convert to fraction form
88,208.04/121,727.92 = 47,922.08/x - Step 3: Cross multiply
88,208.04x = 121,727.92 × 47,922.08 - Step 4: Simplify right side
88,208.04x = 5,833,455,120.47 - Step 5: Solve for x
x = 5,833,455,120.47/88,208.04 - Step 6: Final answer
x = 66,132.92
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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.