Finding the Fourth Proportional to 76,535.05, 114,693.55 and 56,386.09
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Solution
The fourth proportional to 76,535.05, 114,693.55 and 56,386.09 is: 84,498.80
Step by Step Solution
- Step 1: Write the proportion equation
76,535.05 : 114,693.55 = 56,386.09 : x - Step 2: Convert to fraction form
76,535.05/114,693.55 = 56,386.09/x - Step 3: Cross multiply
76,535.05x = 114,693.55 × 56,386.09 - Step 4: Simplify right side
76,535.05x = 6,467,120,189.97 - Step 5: Solve for x
x = 6,467,120,189.97/76,535.05 - Step 6: Final answer
x = 84,498.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.