Finding the Fourth Proportional to 85,132.29, 127,777.14 and 43,041.99
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Solution
The fourth proportional to 85,132.29, 127,777.14 and 43,041.99 is: 64,602.78
Step by Step Solution
- Step 1: Write the proportion equation
85,132.29 : 127,777.14 = 43,041.99 : x - Step 2: Convert to fraction form
85,132.29/127,777.14 = 43,041.99/x - Step 3: Cross multiply
85,132.29x = 127,777.14 × 43,041.99 - Step 4: Simplify right side
85,132.29x = 5,499,782,382.11 - Step 5: Solve for x
x = 5,499,782,382.11/85,132.29 - Step 6: Final answer
x = 64,602.78
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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.