Finding the Fourth Proportional to 96,090.66, 132,649.35 and 72,225.03
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Solution
The fourth proportional to 96,090.66, 132,649.35 and 72,225.03 is: 99,703.79
Step by Step Solution
- Step 1: Write the proportion equation
96,090.66 : 132,649.35 = 72,225.03 : x - Step 2: Convert to fraction form
96,090.66/132,649.35 = 72,225.03/x - Step 3: Cross multiply
96,090.66x = 132,649.35 × 72,225.03 - Step 4: Simplify right side
96,090.66x = 9,580,603,283.23 - Step 5: Solve for x
x = 9,580,603,283.23/96,090.66 - Step 6: Final answer
x = 99,703.79
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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.