Finding the Fourth Proportional to 94,943.68, 130,903.20 and 60,892.09
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Solution
The fourth proportional to 94,943.68, 130,903.20 and 60,892.09 is: 83,954.71
Step by Step Solution
- Step 1: Write the proportion equation
94,943.68 : 130,903.20 = 60,892.09 : x - Step 2: Convert to fraction form
94,943.68/130,903.20 = 60,892.09/x - Step 3: Cross multiply
94,943.68x = 130,903.20 × 60,892.09 - Step 4: Simplify right side
94,943.68x = 7,970,969,435.69 - Step 5: Solve for x
x = 7,970,969,435.69/94,943.68 - Step 6: Final answer
x = 83,954.71
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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.