Finding the Fourth Proportional to 86,977.78, 130,515.90 and 37,052.68
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Solution
The fourth proportional to 86,977.78, 130,515.90 and 37,052.68 is: 55,599.99
Step by Step Solution
- Step 1: Write the proportion equation
86,977.78 : 130,515.90 = 37,052.68 : x - Step 2: Convert to fraction form
86,977.78/130,515.90 = 37,052.68/x - Step 3: Cross multiply
86,977.78x = 130,515.90 × 37,052.68 - Step 4: Simplify right side
86,977.78x = 4,835,963,877.61 - Step 5: Solve for x
x = 4,835,963,877.61/86,977.78 - Step 6: Final answer
x = 55,599.99
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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.