Finding the Fourth Proportional to 76,811.63, 106,000.04 and 43,277.63
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Solution
The fourth proportional to 76,811.63, 106,000.04 and 43,277.63 is: 59,723.12
Step by Step Solution
- Step 1: Write the proportion equation
76,811.63 : 106,000.04 = 43,277.63 : x - Step 2: Convert to fraction form
76,811.63/106,000.04 = 43,277.63/x - Step 3: Cross multiply
76,811.63x = 106,000.04 × 43,277.63 - Step 4: Simplify right side
76,811.63x = 4,587,430,089.30 - Step 5: Solve for x
x = 4,587,430,089.30/76,811.63 - Step 6: Final answer
x = 59,723.12
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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.