Finding the Fourth Proportional to 104,457.63, 144,151.53 and 56,710.99
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Solution
The fourth proportional to 104,457.63, 144,151.53 and 56,710.99 is: 78,261.16
Step by Step Solution
- Step 1: Write the proportion equation
104,457.63 : 144,151.53 = 56,710.99 : x - Step 2: Convert to fraction form
104,457.63/144,151.53 = 56,710.99/x - Step 3: Cross multiply
104,457.63x = 144,151.53 × 56,710.99 - Step 4: Simplify right side
104,457.63x = 8,174,975,451.98 - Step 5: Solve for x
x = 8,174,975,451.98/104,457.63 - Step 6: Final answer
x = 78,261.16
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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.