Finding the Fourth Proportional to 124,070.70, 171,212.61 and 67,482.09
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Solution
The fourth proportional to 124,070.70, 171,212.61 and 67,482.09 is: 93,122.59
Step by Step Solution
- Step 1: Write the proportion equation
124,070.70 : 171,212.61 = 67,482.09 : x - Step 2: Convert to fraction form
124,070.70/171,212.61 = 67,482.09/x - Step 3: Cross multiply
124,070.70x = 171,212.61 × 67,482.09 - Step 4: Simplify right side
124,070.70x = 11,553,784,757.15 - Step 5: Solve for x
x = 11,553,784,757.15/124,070.70 - Step 6: Final answer
x = 93,122.59
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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.