Finding the Fourth Proportional to 124,661.87, 172,039.82 and 76,248.62
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Solution
The fourth proportional to 124,661.87, 172,039.82 and 76,248.62 is: 105,227.03
Step by Step Solution
- Step 1: Write the proportion equation
124,661.87 : 172,039.82 = 76,248.62 : x - Step 2: Convert to fraction form
124,661.87/172,039.82 = 76,248.62/x - Step 3: Cross multiply
124,661.87x = 172,039.82 × 76,248.62 - Step 4: Simplify right side
124,661.87x = 13,117,798,423.24 - Step 5: Solve for x
x = 13,117,798,423.24/124,661.87 - Step 6: Final answer
x = 105,227.03
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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.