Finding the Fourth Proportional to 88,134.28, 121,626.57 and 47,848.12
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Solution
The fourth proportional to 88,134.28, 121,626.57 and 47,848.12 is: 66,031.09
Step by Step Solution
- Step 1: Write the proportion equation
88,134.28 : 121,626.57 = 47,848.12 : x - Step 2: Convert to fraction form
88,134.28/121,626.57 = 47,848.12/x - Step 3: Cross multiply
88,134.28x = 121,626.57 × 47,848.12 - Step 4: Simplify right side
88,134.28x = 5,819,602,716.55 - Step 5: Solve for x
x = 5,819,602,716.55/88,134.28 - Step 6: Final answer
x = 66,031.09
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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.