Finding the Fourth Proportional to 76,946.93, 106,188.53 and 48,267.80
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Solution
The fourth proportional to 76,946.93, 106,188.53 and 48,267.80 is: 66,610.67
Step by Step Solution
- Step 1: Write the proportion equation
76,946.93 : 106,188.53 = 48,267.80 : x - Step 2: Convert to fraction form
76,946.93/106,188.53 = 48,267.80/x - Step 3: Cross multiply
76,946.93x = 106,188.53 × 48,267.80 - Step 4: Simplify right side
76,946.93x = 5,125,485,956.05 - Step 5: Solve for x
x = 5,125,485,956.05/76,946.93 - Step 6: Final answer
x = 66,610.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.