Finding the Fourth Proportional to 77,159.55, 115,747.62 and 24,556.74
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Solution
The fourth proportional to 77,159.55, 115,747.62 and 24,556.74 is: 36,837.75
Step by Step Solution
- Step 1: Write the proportion equation
77,159.55 : 115,747.62 = 24,556.74 : x - Step 2: Convert to fraction form
77,159.55/115,747.62 = 24,556.74/x - Step 3: Cross multiply
77,159.55x = 115,747.62 × 24,556.74 - Step 4: Simplify right side
77,159.55x = 2,842,384,209.96 - Step 5: Solve for x
x = 2,842,384,209.96/77,159.55 - Step 6: Final answer
x = 36,837.75
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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.