Finding the Fourth Proportional to 77,244.81, 115,915.95 and 32,871.53
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Solution
The fourth proportional to 77,244.81, 115,915.95 and 32,871.53 is: 49,328.03
Step by Step Solution
- Step 1: Write the proportion equation
77,244.81 : 115,915.95 = 32,871.53 : x - Step 2: Convert to fraction form
77,244.81/115,915.95 = 32,871.53/x - Step 3: Cross multiply
77,244.81x = 115,915.95 × 32,871.53 - Step 4: Simplify right side
77,244.81x = 3,810,334,048.32 - Step 5: Solve for x
x = 3,810,334,048.32/77,244.81 - Step 6: Final answer
x = 49,328.03
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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.