Finding the Fourth Proportional to 104,066.99, 143,612.45 and 56,320.33
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Solution
The fourth proportional to 104,066.99, 143,612.45 and 56,320.33 is: 77,722.07
Step by Step Solution
- Step 1: Write the proportion equation
104,066.99 : 143,612.45 = 56,320.33 : x - Step 2: Convert to fraction form
104,066.99/143,612.45 = 56,320.33/x - Step 3: Cross multiply
104,066.99x = 143,612.45 × 56,320.33 - Step 4: Simplify right side
104,066.99x = 8,088,301,180.22 - Step 5: Solve for x
x = 8,088,301,180.22/104,066.99 - Step 6: Final answer
x = 77,722.07
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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.