Finding the Fourth Proportional to 84,145.67, 126,237.95 and 24,980.03
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Solution
The fourth proportional to 84,145.67, 126,237.95 and 24,980.03 is: 37,475.82
Step by Step Solution
- Step 1: Write the proportion equation
84,145.67 : 126,237.95 = 24,980.03 : x - Step 2: Convert to fraction form
84,145.67/126,237.95 = 24,980.03/x - Step 3: Cross multiply
84,145.67x = 126,237.95 × 24,980.03 - Step 4: Simplify right side
84,145.67x = 3,153,427,653.24 - Step 5: Solve for x
x = 3,153,427,653.24/84,145.67 - Step 6: Final answer
x = 37,475.82
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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.