Finding the Fourth Proportional to 71,014.41, 106,543.25 and 42,582.95
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Solution
The fourth proportional to 71,014.41, 106,543.25 and 42,582.95 is: 63,887.39
Step by Step Solution
- Step 1: Write the proportion equation
71,014.41 : 106,543.25 = 42,582.95 : x - Step 2: Convert to fraction form
71,014.41/106,543.25 = 42,582.95/x - Step 3: Cross multiply
71,014.41x = 106,543.25 × 42,582.95 - Step 4: Simplify right side
71,014.41x = 4,536,925,141.96 - Step 5: Solve for x
x = 4,536,925,141.96/71,014.41 - Step 6: Final answer
x = 63,887.39
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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.