Finding the Fourth Proportional to 88,108.36, 121,589.65 and 47,822.12
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Solution
The fourth proportional to 88,108.36, 121,589.65 and 47,822.12 is: 65,994.59
Step by Step Solution
- Step 1: Write the proportion equation
88,108.36 : 121,589.65 = 47,822.12 : x - Step 2: Convert to fraction form
88,108.36/121,589.65 = 47,822.12/x - Step 3: Cross multiply
88,108.36x = 121,589.65 × 47,822.12 - Step 4: Simplify right side
88,108.36x = 5,814,674,833.06 - Step 5: Solve for x
x = 5,814,674,833.06/88,108.36 - Step 6: Final answer
x = 65,994.59
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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.