Finding the Fourth Proportional to 84,963.26, 127,444.88 and 40,455.07
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Solution
The fourth proportional to 84,963.26, 127,444.88 and 40,455.07 is: 60,682.60
Step by Step Solution
- Step 1: Write the proportion equation
84,963.26 : 127,444.88 = 40,455.07 : x - Step 2: Convert to fraction form
84,963.26/127,444.88 = 40,455.07/x - Step 3: Cross multiply
84,963.26x = 127,444.88 × 40,455.07 - Step 4: Simplify right side
84,963.26x = 5,155,791,635.23 - Step 5: Solve for x
x = 5,155,791,635.23/84,963.26 - Step 6: Final answer
x = 60,682.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.