Finding the Fourth Proportional to 108,059.08, 149,106.84 and 62,729.88
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Solution
The fourth proportional to 108,059.08, 149,106.84 and 62,729.88 is: 86,558.71
Step by Step Solution
- Step 1: Write the proportion equation
108,059.08 : 149,106.84 = 62,729.88 : x - Step 2: Convert to fraction form
108,059.08/149,106.84 = 62,729.88/x - Step 3: Cross multiply
108,059.08x = 149,106.84 × 62,729.88 - Step 4: Simplify right side
108,059.08x = 9,353,454,180.38 - Step 5: Solve for x
x = 9,353,454,180.38/108,059.08 - Step 6: Final answer
x = 86,558.71
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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.