Finding the Fourth Proportional to 84,032.40, 125,929.80 and 46,608.96
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Solution
The fourth proportional to 84,032.40, 125,929.80 and 46,608.96 is: 69,847.55
Step by Step Solution
- Step 1: Write the proportion equation
84,032.40 : 125,929.80 = 46,608.96 : x - Step 2: Convert to fraction form
84,032.40/125,929.80 = 46,608.96/x - Step 3: Cross multiply
84,032.40x = 125,929.80 × 46,608.96 - Step 4: Simplify right side
84,032.40x = 5,869,457,011.01 - Step 5: Solve for x
x = 5,869,457,011.01/84,032.40 - Step 6: Final answer
x = 69,847.55
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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.