Finding the Fourth Proportional to 86,862.57, 130,124.16 and 59,840.14
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Solution
The fourth proportional to 86,862.57, 130,124.16 and 59,840.14 is: 89,643.31
Step by Step Solution
- Step 1: Write the proportion equation
86,862.57 : 130,124.16 = 59,840.14 : x - Step 2: Convert to fraction form
86,862.57/130,124.16 = 59,840.14/x - Step 3: Cross multiply
86,862.57x = 130,124.16 × 59,840.14 - Step 4: Simplify right side
86,862.57x = 7,786,647,951.78 - Step 5: Solve for x
x = 7,786,647,951.78/86,862.57 - Step 6: Final answer
x = 89,643.31
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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.