Finding the Fourth Proportional to 104,050.74, 143,590.40 and 56,304.09
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Solution
The fourth proportional to 104,050.74, 143,590.40 and 56,304.09 is: 77,699.85
Step by Step Solution
- Step 1: Write the proportion equation
104,050.74 : 143,590.40 = 56,304.09 : x - Step 2: Convert to fraction form
104,050.74/143,590.40 = 56,304.09/x - Step 3: Cross multiply
104,050.74x = 143,590.40 × 56,304.09 - Step 4: Simplify right side
104,050.74x = 8,084,726,945.50 - Step 5: Solve for x
x = 8,084,726,945.50/104,050.74 - Step 6: Final answer
x = 77,699.85
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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.