Finding the Fourth Proportional to 125,041.98, 172,557.95 and 68,453.36
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Solution
The fourth proportional to 125,041.98, 172,557.95 and 68,453.36 is: 94,465.65
Step by Step Solution
- Step 1: Write the proportion equation
125,041.98 : 172,557.95 = 68,453.36 : x - Step 2: Convert to fraction form
125,041.98/172,557.95 = 68,453.36/x - Step 3: Cross multiply
125,041.98x = 172,557.95 × 68,453.36 - Step 4: Simplify right side
125,041.98x = 11,812,171,472.21 - Step 5: Solve for x
x = 11,812,171,472.21/125,041.98 - Step 6: Final answer
x = 94,465.65
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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.