Finding the Fourth Proportional to 86,432.36, 119,281.26 and 50,625.08
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Solution
The fourth proportional to 86,432.36, 119,281.26 and 50,625.08 is: 69,865.31
Step by Step Solution
- Step 1: Write the proportion equation
86,432.36 : 119,281.26 = 50,625.08 : x - Step 2: Convert to fraction form
86,432.36/119,281.26 = 50,625.08/x - Step 3: Cross multiply
86,432.36x = 119,281.26 × 50,625.08 - Step 4: Simplify right side
86,432.36x = 6,038,623,330.00 - Step 5: Solve for x
x = 6,038,623,330.00/86,432.36 - Step 6: Final answer
x = 69,865.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.