Finding the Fourth Proportional to 77,165.37, 106,491.24 and 45,333.99
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Solution
The fourth proportional to 77,165.37, 106,491.24 and 45,333.99 is: 62,562.69
Step by Step Solution
- Step 1: Write the proportion equation
77,165.37 : 106,491.24 = 45,333.99 : x - Step 2: Convert to fraction form
77,165.37/106,491.24 = 45,333.99/x - Step 3: Cross multiply
77,165.37x = 106,491.24 × 45,333.99 - Step 4: Simplify right side
77,165.37x = 4,827,672,809.25 - Step 5: Solve for x
x = 4,827,672,809.25/77,165.37 - Step 6: Final answer
x = 62,562.69
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1.5x scale
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.