Finding the Fourth Proportional to 93,635.21, 129,206.45 and 55,396.19
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Solution
The fourth proportional to 93,635.21, 129,206.45 and 55,396.19 is: 76,440.74
Step by Step Solution
- Step 1: Write the proportion equation
93,635.21 : 129,206.45 = 55,396.19 : x - Step 2: Convert to fraction form
93,635.21/129,206.45 = 55,396.19/x - Step 3: Cross multiply
93,635.21x = 129,206.45 × 55,396.19 - Step 4: Simplify right side
93,635.21x = 7,157,544,130.41 - Step 5: Solve for x
x = 7,157,544,130.41/93,635.21 - Step 6: Final answer
x = 76,440.74
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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.