Finding the Fourth Proportional to 83,157.68, 124,767.50 and 49,901.60
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Solution
The fourth proportional to 83,157.68, 124,767.50 and 49,901.60 is: 74,870.99
Step by Step Solution
- Step 1: Write the proportion equation
83,157.68 : 124,767.50 = 49,901.60 : x - Step 2: Convert to fraction form
83,157.68/124,767.50 = 49,901.60/x - Step 3: Cross multiply
83,157.68x = 124,767.50 × 49,901.60 - Step 4: Simplify right side
83,157.68x = 6,226,097,878 - Step 5: Solve for x
x = 6,226,097,878/83,157.68 - Step 6: Final answer
x = 74,870.99
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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.