Finding the Fourth Proportional to 124,722.99, 172,115.12 and 70,277.96
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Solution
The fourth proportional to 124,722.99, 172,115.12 and 70,277.96 is: 96,982.11
Step by Step Solution
- Step 1: Write the proportion equation
124,722.99 : 172,115.12 = 70,277.96 : x - Step 2: Convert to fraction form
124,722.99/172,115.12 = 70,277.96/x - Step 3: Cross multiply
124,722.99x = 172,115.12 × 70,277.96 - Step 4: Simplify right side
124,722.99x = 12,095,898,306.79 - Step 5: Solve for x
x = 12,095,898,306.79/124,722.99 - Step 6: Final answer
x = 96,982.11
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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.