Finding the Fourth Proportional to 86,334.68, 119,140.05 and 48,094.17
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Solution
The fourth proportional to 86,334.68, 119,140.05 and 48,094.17 is: 66,368.95
Step by Step Solution
- Step 1: Write the proportion equation
86,334.68 : 119,140.05 = 48,094.17 : x - Step 2: Convert to fraction form
86,334.68/119,140.05 = 48,094.17/x - Step 3: Cross multiply
86,334.68x = 119,140.05 × 48,094.17 - Step 4: Simplify right side
86,334.68x = 5,729,941,818.51 - Step 5: Solve for x
x = 5,729,941,818.51/86,334.68 - Step 6: Final answer
x = 66,368.95
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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.