Finding the Fourth Proportional to 71,242.81, 106,875.15 and 24,484.75
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Solution
The fourth proportional to 71,242.81, 106,875.15 and 24,484.75 is: 36,730.88
Step by Step Solution
- Step 1: Write the proportion equation
71,242.81 : 106,875.15 = 24,484.75 : x - Step 2: Convert to fraction form
71,242.81/106,875.15 = 24,484.75/x - Step 3: Cross multiply
71,242.81x = 106,875.15 × 24,484.75 - Step 4: Simplify right side
71,242.81x = 2,616,811,328.96 - Step 5: Solve for x
x = 2,616,811,328.96/71,242.81 - Step 6: Final answer
x = 36,730.88
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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.