Finding the Fourth Proportional to 94,627.81, 130,580.41 and 54,313.21
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Solution
The fourth proportional to 94,627.81, 130,580.41 and 54,313.21 is: 74,948.80
Step by Step Solution
- Step 1: Write the proportion equation
94,627.81 : 130,580.41 = 54,313.21 : x - Step 2: Convert to fraction form
94,627.81/130,580.41 = 54,313.21/x - Step 3: Cross multiply
94,627.81x = 130,580.41 × 54,313.21 - Step 4: Simplify right side
94,627.81x = 7,092,241,230.22 - Step 5: Solve for x
x = 7,092,241,230.22/94,627.81 - Step 6: Final answer
x = 74,948.80
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1.5x scale
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.