Finding the Fourth Proportional to 102,070.08, 153,121.50 and 35,529.12
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Solution
The fourth proportional to 102,070.08, 153,121.50 and 35,529.12 is: 53,299.38
Step by Step Solution
- Step 1: Write the proportion equation
102,070.08 : 153,121.50 = 35,529.12 : x - Step 2: Convert to fraction form
102,070.08/153,121.50 = 35,529.12/x - Step 3: Cross multiply
102,070.08x = 153,121.50 × 35,529.12 - Step 4: Simplify right side
102,070.08x = 5,440,272,148.08 - Step 5: Solve for x
x = 5,440,272,148.08/102,070.08 - Step 6: Final answer
x = 53,299.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.