Finding the Fourth Proportional to 71,726.80, 107,460.60 and 63,432.40
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Solution
The fourth proportional to 71,726.80, 107,460.60 and 63,432.40 is: 95,033.99
Step by Step Solution
- Step 1: Write the proportion equation
71,726.80 : 107,460.60 = 63,432.40 : x - Step 2: Convert to fraction form
71,726.80/107,460.60 = 63,432.40/x - Step 3: Cross multiply
71,726.80x = 107,460.60 × 63,432.40 - Step 4: Simplify right side
71,726.80x = 6,816,483,763.44 - Step 5: Solve for x
x = 6,816,483,763.44/71,726.80 - Step 6: Final answer
x = 95,033.99
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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.