Finding the Fourth Proportional to 79,489.23, 119,237.49 and 56,219.55
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Solution
The fourth proportional to 79,489.23, 119,237.49 and 56,219.55 is: 84,331.90
Step by Step Solution
- Step 1: Write the proportion equation
79,489.23 : 119,237.49 = 56,219.55 : x - Step 2: Convert to fraction form
79,489.23/119,237.49 = 56,219.55/x - Step 3: Cross multiply
79,489.23x = 119,237.49 × 56,219.55 - Step 4: Simplify right side
79,489.23x = 6,703,478,030.93 - Step 5: Solve for x
x = 6,703,478,030.93/79,489.23 - Step 6: Final answer
x = 84,331.90
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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.