Finding the Fourth Proportional to 97,730.35, 134,882.36 and 61,923.70
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Solution
The fourth proportional to 97,730.35, 134,882.36 and 61,923.70 is: 85,463.88
Step by Step Solution
- Step 1: Write the proportion equation
97,730.35 : 134,882.36 = 61,923.70 : x - Step 2: Convert to fraction form
97,730.35/134,882.36 = 61,923.70/x - Step 3: Cross multiply
97,730.35x = 134,882.36 × 61,923.70 - Step 4: Simplify right side
97,730.35x = 8,352,414,795.93 - Step 5: Solve for x
x = 8,352,414,795.93/97,730.35 - Step 6: Final answer
x = 85,463.88
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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.