Finding the Fourth Proportional to 83,860.22, 125,848.66 and 54,204.50
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Solution
The fourth proportional to 83,860.22, 125,848.66 and 54,204.50 is: 81,344.45
Step by Step Solution
- Step 1: Write the proportion equation
83,860.22 : 125,848.66 = 54,204.50 : x - Step 2: Convert to fraction form
83,860.22/125,848.66 = 54,204.50/x - Step 3: Cross multiply
83,860.22x = 125,848.66 × 54,204.50 - Step 4: Simplify right side
83,860.22x = 6,821,563,690.97 - Step 5: Solve for x
x = 6,821,563,690.97/83,860.22 - Step 6: Final answer
x = 81,344.45
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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.