Finding the Fourth Proportional to 87,114.25, 130,671.36 and 24,784.75
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Solution
The fourth proportional to 87,114.25, 130,671.36 and 24,784.75 is: 37,177.12
Step by Step Solution
- Step 1: Write the proportion equation
87,114.25 : 130,671.36 = 24,784.75 : x - Step 2: Convert to fraction form
87,114.25/130,671.36 = 24,784.75/x - Step 3: Cross multiply
87,114.25x = 130,671.36 × 24,784.75 - Step 4: Simplify right side
87,114.25x = 3,238,657,153.10 - Step 5: Solve for x
x = 3,238,657,153.10/87,114.25 - Step 6: Final answer
x = 37,177.12
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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.