Finding the Fourth Proportional to 104,290.23, 143,923.35 and 58,974.99
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Solution
The fourth proportional to 104,290.23, 143,923.35 and 58,974.99 is: 81,387.09
Step by Step Solution
- Step 1: Write the proportion equation
104,290.23 : 143,923.35 = 58,974.99 : x - Step 2: Convert to fraction form
104,290.23/143,923.35 = 58,974.99/x - Step 3: Cross multiply
104,290.23x = 143,923.35 × 58,974.99 - Step 4: Simplify right side
104,290.23x = 8,487,877,832.14 - Step 5: Solve for x
x = 8,487,877,832.14/104,290.23 - Step 6: Final answer
x = 81,387.09
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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.