Finding the Fourth Proportional to 76,970.28, 115,365.78 and 32,582.28
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Solution
The fourth proportional to 76,970.28, 115,365.78 and 32,582.28 is: 48,835.47
Step by Step Solution
- Step 1: Write the proportion equation
76,970.28 : 115,365.78 = 32,582.28 : x - Step 2: Convert to fraction form
76,970.28/115,365.78 = 32,582.28/x - Step 3: Cross multiply
76,970.28x = 115,365.78 × 32,582.28 - Step 4: Simplify right side
76,970.28x = 3,758,880,146.38 - Step 5: Solve for x
x = 3,758,880,146.38/76,970.28 - Step 6: Final answer
x = 48,835.47
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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.