Finding the Fourth Proportional to 98,958.24, 136,566.81 and 70,308.54
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Solution
The fourth proportional to 98,958.24, 136,566.81 and 70,308.54 is: 97,028.94
Step by Step Solution
- Step 1: Write the proportion equation
98,958.24 : 136,566.81 = 70,308.54 : x - Step 2: Convert to fraction form
98,958.24/136,566.81 = 70,308.54/x - Step 3: Cross multiply
98,958.24x = 136,566.81 × 70,308.54 - Step 4: Simplify right side
98,958.24x = 9,601,813,023.56 - Step 5: Solve for x
x = 9,601,813,023.56/98,958.24 - Step 6: Final answer
x = 97,028.94
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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.