Finding the Fourth Proportional to 97,720.20, 132,025.95 and 97,720.20
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Solution
The fourth proportional to 97,720.20, 132,025.95 and 97,720.20 is: 132,025.95
Step by Step Solution
- Step 1: Write the proportion equation
97,720.20 : 132,025.95 = 97,720.20 : x - Step 2: Convert to fraction form
97,720.20/132,025.95 = 97,720.20/x - Step 3: Cross multiply
97,720.20x = 132,025.95 × 97,720.20 - Step 4: Simplify right side
97,720.20x = 12,901,602,239.19 - Step 5: Solve for x
x = 12,901,602,239.19/97,720.20 - Step 6: Final answer
x = 132,025.95
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Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.