Finding the Fourth Proportional to 84,465.08, 126,698.50 and 34,511.06
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Solution
The fourth proportional to 84,465.08, 126,698.50 and 34,511.06 is: 51,766.95
Step by Step Solution
- Step 1: Write the proportion equation
84,465.08 : 126,698.50 = 34,511.06 : x - Step 2: Convert to fraction form
84,465.08/126,698.50 = 34,511.06/x - Step 3: Cross multiply
84,465.08x = 126,698.50 × 34,511.06 - Step 4: Simplify right side
84,465.08x = 4,372,499,535.41 - Step 5: Solve for x
x = 4,372,499,535.41/84,465.08 - Step 6: Final answer
x = 51,766.95
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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.