Finding the Fourth Proportional to 83,955.84, 125,933.60 and 57,580.62
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Solution
The fourth proportional to 83,955.84, 125,933.60 and 57,580.62 is: 86,370.82
Step by Step Solution
- Step 1: Write the proportion equation
83,955.84 : 125,933.60 = 57,580.62 : x - Step 2: Convert to fraction form
83,955.84/125,933.60 = 57,580.62/x - Step 3: Cross multiply
83,955.84x = 125,933.60 × 57,580.62 - Step 4: Simplify right side
83,955.84x = 7,251,334,766.83 - Step 5: Solve for x
x = 7,251,334,766.83/83,955.84 - Step 6: Final answer
x = 86,370.82
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1.5x scale
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.