Finding the Fourth Proportional to 77,099.68, 115,648.08 and 24,512.32
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Solution
The fourth proportional to 77,099.68, 115,648.08 and 24,512.32 is: 36,768.02
Step by Step Solution
- Step 1: Write the proportion equation
77,099.68 : 115,648.08 = 24,512.32 : x - Step 2: Convert to fraction form
77,099.68/115,648.08 = 24,512.32/x - Step 3: Cross multiply
77,099.68x = 115,648.08 × 24,512.32 - Step 4: Simplify right side
77,099.68x = 2,834,802,744.35 - Step 5: Solve for x
x = 2,834,802,744.35/77,099.68 - Step 6: Final answer
x = 36,768.02
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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.