Finding the Fourth Proportional to 104,643.74, 144,407.62 and 56,897.08
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Solution
The fourth proportional to 104,643.74, 144,407.62 and 56,897.08 is: 78,517.56
Step by Step Solution
- Step 1: Write the proportion equation
104,643.74 : 144,407.62 = 56,897.08 : x - Step 2: Convert to fraction form
104,643.74/144,407.62 = 56,897.08/x - Step 3: Cross multiply
104,643.74x = 144,407.62 × 56,897.08 - Step 4: Simplify right side
104,643.74x = 8,216,370,901.23 - Step 5: Solve for x
x = 8,216,370,901.23/104,643.74 - Step 6: Final answer
x = 78,517.56
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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.