Finding the Fourth Proportional to 88,108.96, 121,588.36 and 47,822.80
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Solution
The fourth proportional to 88,108.96, 121,588.36 and 47,822.80 is: 65,994.38
Step by Step Solution
- Step 1: Write the proportion equation
88,108.96 : 121,588.36 = 47,822.80 : x - Step 2: Convert to fraction form
88,108.96/121,588.36 = 47,822.80/x - Step 3: Cross multiply
88,108.96x = 121,588.36 × 47,822.80 - Step 4: Simplify right side
88,108.96x = 5,814,695,822.61 - Step 5: Solve for x
x = 5,814,695,822.61/88,108.96 - Step 6: Final answer
x = 65,994.38
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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.