Finding the Fourth Proportional to 68,432.74, 102,649.12 and 26,332.65
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Solution
The fourth proportional to 68,432.74, 102,649.12 and 26,332.65 is: 39,498.98
Step by Step Solution
- Step 1: Write the proportion equation
68,432.74 : 102,649.12 = 26,332.65 : x - Step 2: Convert to fraction form
68,432.74/102,649.12 = 26,332.65/x - Step 3: Cross multiply
68,432.74x = 102,649.12 × 26,332.65 - Step 4: Simplify right side
68,432.74x = 2,703,023,283.94 - Step 5: Solve for x
x = 2,703,023,283.94/68,432.74 - Step 6: Final answer
x = 39,498.98
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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.