Finding the Fourth Proportional to 77,173.74, 115,782.51 and 24,587.28
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Solution
The fourth proportional to 77,173.74, 115,782.51 and 24,587.28 is: 36,887.90
Step by Step Solution
- Step 1: Write the proportion equation
77,173.74 : 115,782.51 = 24,587.28 : x - Step 2: Convert to fraction form
77,173.74/115,782.51 = 24,587.28/x - Step 3: Cross multiply
77,173.74x = 115,782.51 × 24,587.28 - Step 4: Simplify right side
77,173.74x = 2,846,776,992.47 - Step 5: Solve for x
x = 2,846,776,992.47/77,173.74 - Step 6: Final answer
x = 36,887.90
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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.