Finding the Fourth Proportional to 124,937.62, 172,417.97 and 68,348.99
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Solution
The fourth proportional to 124,937.62, 172,417.97 and 68,348.99 is: 94,323.83
Step by Step Solution
- Step 1: Write the proportion equation
124,937.62 : 172,417.97 = 68,348.99 : x - Step 2: Convert to fraction form
124,937.62/172,417.97 = 68,348.99/x - Step 3: Cross multiply
124,937.62x = 172,417.97 × 68,348.99 - Step 4: Simplify right side
124,937.62x = 11,784,594,709.27 - Step 5: Solve for x
x = 11,784,594,709.27/124,937.62 - Step 6: Final answer
x = 94,323.83
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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.