Finding the Fourth Proportional to 99,125.95, 136,793.95 and 53,803.95
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Solution
The fourth proportional to 99,125.95, 136,793.95 and 53,803.95 is: 74,249.52
Step by Step Solution
- Step 1: Write the proportion equation
99,125.95 : 136,793.95 = 53,803.95 : x - Step 2: Convert to fraction form
99,125.95/136,793.95 = 53,803.95/x - Step 3: Cross multiply
99,125.95x = 136,793.95 × 53,803.95 - Step 4: Simplify right side
99,125.95x = 7,360,054,162.13 - Step 5: Solve for x
x = 7,360,054,162.13/99,125.95 - Step 6: Final answer
x = 74,249.52
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1.5x scale
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.