Finding the Fourth Proportional to 87,044.84, 130,567.26 and 57,455.75
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Solution
The fourth proportional to 87,044.84, 130,567.26 and 57,455.75 is: 86,183.63
Step by Step Solution
- Step 1: Write the proportion equation
87,044.84 : 130,567.26 = 57,455.75 : x - Step 2: Convert to fraction form
87,044.84/130,567.26 = 57,455.75/x - Step 3: Cross multiply
87,044.84x = 130,567.26 × 57,455.75 - Step 4: Simplify right side
87,044.84x = 7,501,840,175.16 - Step 5: Solve for x
x = 7,501,840,175.16/87,044.84 - Step 6: Final answer
x = 86,183.63
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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.