Finding the Fourth Proportional to 93,785.24, 129,435.96 and 53,489.77
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Solution
The fourth proportional to 93,785.24, 129,435.96 and 53,489.77 is: 73,822.91
Step by Step Solution
- Step 1: Write the proportion equation
93,785.24 : 129,435.96 = 53,489.77 : x - Step 2: Convert to fraction form
93,785.24/129,435.96 = 53,489.77/x - Step 3: Cross multiply
93,785.24x = 129,435.96 × 53,489.77 - Step 4: Simplify right side
93,785.24x = 6,923,499,730.13 - Step 5: Solve for x
x = 6,923,499,730.13/93,785.24 - Step 6: Final answer
x = 73,822.91
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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.