Finding the Fourth Proportional to 104,306.49, 143,923.71 and 61,292.99
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Solution
The fourth proportional to 104,306.49, 143,923.71 and 61,292.99 is: 84,573.01
Step by Step Solution
- Step 1: Write the proportion equation
104,306.49 : 143,923.71 = 61,292.99 : x - Step 2: Convert to fraction form
104,306.49/143,923.71 = 61,292.99/x - Step 3: Cross multiply
104,306.49x = 143,923.71 × 61,292.99 - Step 4: Simplify right side
104,306.49x = 8,821,513,798.17 - Step 5: Solve for x
x = 8,821,513,798.17/104,306.49 - Step 6: Final answer
x = 84,573.01
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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.