Finding the Fourth Proportional to 94,428.26, 130,313.58 and 51,989.40
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Solution
The fourth proportional to 94,428.26, 130,313.58 and 51,989.40 is: 71,746.79
Step by Step Solution
- Step 1: Write the proportion equation
94,428.26 : 130,313.58 = 51,989.40 : x - Step 2: Convert to fraction form
94,428.26/130,313.58 = 51,989.40/x - Step 3: Cross multiply
94,428.26x = 130,313.58 × 51,989.40 - Step 4: Simplify right side
94,428.26x = 6,774,924,836.05 - Step 5: Solve for x
x = 6,774,924,836.05/94,428.26 - Step 6: Final answer
x = 71,746.79
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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.