Finding the Fourth Proportional to 97,775.07, 134,943.26 and 70,638.96
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Solution
The fourth proportional to 97,775.07, 134,943.26 and 70,638.96 is: 97,491.64
Step by Step Solution
- Step 1: Write the proportion equation
97,775.07 : 134,943.26 = 70,638.96 : x - Step 2: Convert to fraction form
97,775.07/134,943.26 = 70,638.96/x - Step 3: Cross multiply
97,775.07x = 134,943.26 × 70,638.96 - Step 4: Simplify right side
97,775.07x = 9,532,251,698.25 - Step 5: Solve for x
x = 9,532,251,698.25/97,775.07 - Step 6: Final answer
x = 97,491.64
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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.