Finding the Fourth Proportional to 93,939.53, 129,652.99 and 71,353.28
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Solution
The fourth proportional to 93,939.53, 129,652.99 and 71,353.28 is: 98,480.02
Step by Step Solution
- Step 1: Write the proportion equation
93,939.53 : 129,652.99 = 71,353.28 : x - Step 2: Convert to fraction form
93,939.53/129,652.99 = 71,353.28/x - Step 3: Cross multiply
93,939.53x = 129,652.99 × 71,353.28 - Step 4: Simplify right side
93,939.53x = 9,251,166,244.06 - Step 5: Solve for x
x = 9,251,166,244.06/93,939.53 - Step 6: Final answer
x = 98,480.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.