Finding the Fourth Proportional to 77,926.08, 107,573.76 and 51,070.08
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Solution
The fourth proportional to 77,926.08, 107,573.76 and 51,070.08 is: 70,500.15
Step by Step Solution
- Step 1: Write the proportion equation
77,926.08 : 107,573.76 = 51,070.08 : x - Step 2: Convert to fraction form
77,926.08/107,573.76 = 51,070.08/x - Step 3: Cross multiply
77,926.08x = 107,573.76 × 51,070.08 - Step 4: Simplify right side
77,926.08x = 5,493,800,529.10 - Step 5: Solve for x
x = 5,493,800,529.10/77,926.08 - Step 6: Final answer
x = 70,500.15
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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.