Finding the Fourth Proportional to 71,024.20, 106,536.30 and 48,905.80
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Solution
The fourth proportional to 71,024.20, 106,536.30 and 48,905.80 is: 73,358.70
Step by Step Solution
- Step 1: Write the proportion equation
71,024.20 : 106,536.30 = 48,905.80 : x - Step 2: Convert to fraction form
71,024.20/106,536.30 = 48,905.80/x - Step 3: Cross multiply
71,024.20x = 106,536.30 × 48,905.80 - Step 4: Simplify right side
71,024.20x = 5,210,242,980.54 - Step 5: Solve for x
x = 5,210,242,980.54/71,024.20 - Step 6: Final answer
x = 73,358.70
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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.