Finding the Fourth Proportional to 74,155.07, 102,251.99 and 47,254.97
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Solution
The fourth proportional to 74,155.07, 102,251.99 and 47,254.97 is: 65,159.60
Step by Step Solution
- Step 1: Write the proportion equation
74,155.07 : 102,251.99 = 47,254.97 : x - Step 2: Convert to fraction form
74,155.07/102,251.99 = 47,254.97/x - Step 3: Cross multiply
74,155.07x = 102,251.99 × 47,254.97 - Step 4: Simplify right side
74,155.07x = 4,831,914,719.89 - Step 5: Solve for x
x = 4,831,914,719.89/74,155.07 - Step 6: Final answer
x = 65,159.60
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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.