Finding the Fourth Proportional to 97,765.13, 134,915.88 and 53,053.13
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Solution
The fourth proportional to 97,765.13, 134,915.88 and 53,053.13 is: 73,213.32
Step by Step Solution
- Step 1: Write the proportion equation
97,765.13 : 134,915.88 = 53,053.13 : x - Step 2: Convert to fraction form
97,765.13/134,915.88 = 53,053.13/x - Step 3: Cross multiply
97,765.13x = 134,915.88 × 53,053.13 - Step 4: Simplify right side
97,765.13x = 7,157,709,046.13 - Step 5: Solve for x
x = 7,157,709,046.13/97,765.13 - Step 6: Final answer
x = 73,213.32
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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.