Finding the Fourth Proportional to 79,029.48, 118,560.44 and 26,439.44
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Solution
The fourth proportional to 79,029.48, 118,560.44 and 26,439.44 is: 39,664.59
Step by Step Solution
- Step 1: Write the proportion equation
79,029.48 : 118,560.44 = 26,439.44 : x - Step 2: Convert to fraction form
79,029.48/118,560.44 = 26,439.44/x - Step 3: Cross multiply
79,029.48x = 118,560.44 × 26,439.44 - Step 4: Simplify right side
79,029.48x = 3,134,671,639.75 - Step 5: Solve for x
x = 3,134,671,639.75/79,029.48 - Step 6: Final answer
x = 39,664.59
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1.5x scale
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.