Finding the Fourth Proportional to 83,684.58, 115,451.33 and 53,462.06
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Solution
The fourth proportional to 83,684.58, 115,451.33 and 53,462.06 is: 73,756.31
Step by Step Solution
- Step 1: Write the proportion equation
83,684.58 : 115,451.33 = 53,462.06 : x - Step 2: Convert to fraction form
83,684.58/115,451.33 = 53,462.06/x - Step 3: Cross multiply
83,684.58x = 115,451.33 × 53,462.06 - Step 4: Simplify right side
83,684.58x = 6,172,265,664.23 - Step 5: Solve for x
x = 6,172,265,664.23/83,684.58 - Step 6: Final answer
x = 73,756.31
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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.