Finding the Fourth Proportional to 88,109.97, 121,588.50 and 47,822.87
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Solution
The fourth proportional to 88,109.97, 121,588.50 and 47,822.87 is: 65,993.79
Step by Step Solution
- Step 1: Write the proportion equation
88,109.97 : 121,588.50 = 47,822.87 : x - Step 2: Convert to fraction form
88,109.97/121,588.50 = 47,822.87/x - Step 3: Cross multiply
88,109.97x = 121,588.50 × 47,822.87 - Step 4: Simplify right side
88,109.97x = 5,814,710,421.05 - Step 5: Solve for x
x = 5,814,710,421.05/88,109.97 - Step 6: Final answer
x = 65,993.79
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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.