Finding the Fourth Proportional to 96,130.80, 132,503.04 and 69,235.56
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Solution
The fourth proportional to 96,130.80, 132,503.04 and 69,235.56 is: 95,431.66
Step by Step Solution
- Step 1: Write the proportion equation
96,130.80 : 132,503.04 = 69,235.56 : x - Step 2: Convert to fraction form
96,130.80/132,503.04 = 69,235.56/x - Step 3: Cross multiply
96,130.80x = 132,503.04 × 69,235.56 - Step 4: Simplify right side
96,130.80x = 9,173,922,176.10 - Step 5: Solve for x
x = 9,173,922,176.10/96,130.80 - Step 6: Final answer
x = 95,431.66
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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.