Finding the Fourth Proportional to 113,821.91, 157,070.11 and 62,833.55
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Solution
The fourth proportional to 113,821.91, 157,070.11 and 62,833.55 is: 86,708.02
Step by Step Solution
- Step 1: Write the proportion equation
113,821.91 : 157,070.11 = 62,833.55 : x - Step 2: Convert to fraction form
113,821.91/157,070.11 = 62,833.55/x - Step 3: Cross multiply
113,821.91x = 157,070.11 × 62,833.55 - Step 4: Simplify right side
113,821.91x = 9,869,272,610.19 - Step 5: Solve for x
x = 9,869,272,610.19/113,821.91 - Step 6: Final answer
x = 86,708.02
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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.