Finding the Fourth Proportional to 97,882.47, 135,078.08 and 55,440.99
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Solution
The fourth proportional to 97,882.47, 135,078.08 and 55,440.99 is: 76,508.72
Step by Step Solution
- Step 1: Write the proportion equation
97,882.47 : 135,078.08 = 55,440.99 : x - Step 2: Convert to fraction form
97,882.47/135,078.08 = 55,440.99/x - Step 3: Cross multiply
97,882.47x = 135,078.08 × 55,440.99 - Step 4: Simplify right side
97,882.47x = 7,488,862,205.29 - Step 5: Solve for x
x = 7,488,862,205.29/97,882.47 - Step 6: Final answer
x = 76,508.72
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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.