Finding the Fourth Proportional to 83,176.42, 124,731.42 and 48,140.68
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Solution
The fourth proportional to 83,176.42, 124,731.42 and 48,140.68 is: 72,191.80
Step by Step Solution
- Step 1: Write the proportion equation
83,176.42 : 124,731.42 = 48,140.68 : x - Step 2: Convert to fraction form
83,176.42/124,731.42 = 48,140.68/x - Step 3: Cross multiply
83,176.42x = 124,731.42 × 48,140.68 - Step 4: Simplify right side
83,176.42x = 6,004,655,376.17 - Step 5: Solve for x
x = 6,004,655,376.17/83,176.42 - Step 6: Final answer
x = 72,191.80
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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.