Finding the Fourth Proportional to 104,051.08, 143,590.74 and 56,304.94
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Solution
The fourth proportional to 104,051.08, 143,590.74 and 56,304.94 is: 77,700.95
Step by Step Solution
- Step 1: Write the proportion equation
104,051.08 : 143,590.74 = 56,304.94 : x - Step 2: Convert to fraction form
104,051.08/143,590.74 = 56,304.94/x - Step 3: Cross multiply
104,051.08x = 143,590.74 × 56,304.94 - Step 4: Simplify right side
104,051.08x = 8,084,868,000.26 - Step 5: Solve for x
x = 8,084,868,000.26/104,051.08 - Step 6: Final answer
x = 77,700.95
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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.