Finding the Fourth Proportional to 74,119.54, 102,283.95 and 40,585.54
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Solution
The fourth proportional to 74,119.54, 102,283.95 and 40,585.54 is: 56,007.49
Step by Step Solution
- Step 1: Write the proportion equation
74,119.54 : 102,283.95 = 40,585.54 : x - Step 2: Convert to fraction form
74,119.54/102,283.95 = 40,585.54/x - Step 3: Cross multiply
74,119.54x = 102,283.95 × 40,585.54 - Step 4: Simplify right side
74,119.54x = 4,151,249,344.08 - Step 5: Solve for x
x = 4,151,249,344.08/74,119.54 - Step 6: Final answer
x = 56,007.49
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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.