Finding the Fourth Proportional to 77,185.36, 115,776.78 and 24,594.13
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Solution
The fourth proportional to 77,185.36, 115,776.78 and 24,594.13 is: 36,890.79
Step by Step Solution
- Step 1: Write the proportion equation
77,185.36 : 115,776.78 = 24,594.13 : x - Step 2: Convert to fraction form
77,185.36/115,776.78 = 24,594.13/x - Step 3: Cross multiply
77,185.36x = 115,776.78 × 24,594.13 - Step 4: Simplify right side
77,185.36x = 2,847,429,178.30 - Step 5: Solve for x
x = 2,847,429,178.30/77,185.36 - Step 6: Final answer
x = 36,890.79
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1.5x scale
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.