Finding the Fourth Proportional to 71,225.36, 106,798.59 and 29,134.99
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Solution
The fourth proportional to 71,225.36, 106,798.59 and 29,134.99 is: 43,686.35
Step by Step Solution
- Step 1: Write the proportion equation
71,225.36 : 106,798.59 = 29,134.99 : x - Step 2: Convert to fraction form
71,225.36/106,798.59 = 29,134.99/x - Step 3: Cross multiply
71,225.36x = 106,798.59 × 29,134.99 - Step 4: Simplify right side
71,225.36x = 3,111,575,851.66 - Step 5: Solve for x
x = 3,111,575,851.66/71,225.36 - Step 6: Final answer
x = 43,686.35
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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.