Finding the Fourth Proportional to 76,752.60, 114,589.24 and 58,646.07
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Solution
The fourth proportional to 76,752.60, 114,589.24 and 58,646.07 is: 87,556.75
Step by Step Solution
- Step 1: Write the proportion equation
76,752.60 : 114,589.24 = 58,646.07 : x - Step 2: Convert to fraction form
76,752.60/114,589.24 = 58,646.07/x - Step 3: Cross multiply
76,752.60x = 114,589.24 × 58,646.07 - Step 4: Simplify right side
76,752.60x = 6,720,208,590.29 - Step 5: Solve for x
x = 6,720,208,590.29/76,752.60 - Step 6: Final answer
x = 87,556.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.