Finding the Fourth Proportional to 104,122.08, 143,688.66 and 56,375.88
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Solution
The fourth proportional to 104,122.08, 143,688.66 and 56,375.88 is: 77,798.82
Step by Step Solution
- Step 1: Write the proportion equation
104,122.08 : 143,688.66 = 56,375.88 : x - Step 2: Convert to fraction form
104,122.08/143,688.66 = 56,375.88/x - Step 3: Cross multiply
104,122.08x = 143,688.66 × 56,375.88 - Step 4: Simplify right side
104,122.08x = 8,100,574,653.52 - Step 5: Solve for x
x = 8,100,574,653.52/104,122.08 - Step 6: Final answer
x = 77,798.82
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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.