Finding the Fourth Proportional to 79,909.77, 119,750.41 and 58,683.31
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Solution
The fourth proportional to 79,909.77, 119,750.41 and 58,683.31 is: 87,941.07
Step by Step Solution
- Step 1: Write the proportion equation
79,909.77 : 119,750.41 = 58,683.31 : x - Step 2: Convert to fraction form
79,909.77/119,750.41 = 58,683.31/x - Step 3: Cross multiply
79,909.77x = 119,750.41 × 58,683.31 - Step 4: Simplify right side
79,909.77x = 7,027,350,432.66 - Step 5: Solve for x
x = 7,027,350,432.66/79,909.77 - Step 6: Final answer
x = 87,941.07
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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.