Finding the Fourth Proportional to 85,953.47, 118,609.83 and 47,709.99
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Solution
The fourth proportional to 85,953.47, 118,609.83 and 47,709.99 is: 65,836.48
Step by Step Solution
- Step 1: Write the proportion equation
85,953.47 : 118,609.83 = 47,709.99 : x - Step 2: Convert to fraction form
85,953.47/118,609.83 = 47,709.99/x - Step 3: Cross multiply
85,953.47x = 118,609.83 × 47,709.99 - Step 4: Simplify right side
85,953.47x = 5,658,873,803.20 - Step 5: Solve for x
x = 5,658,873,803.20/85,953.47 - Step 6: Final answer
x = 65,836.48
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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.