Finding the Fourth Proportional to 76,013.24, 104,901.62 and 47,349.90
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Solution
The fourth proportional to 76,013.24, 104,901.62 and 47,349.90 is: 65,344.95
Step by Step Solution
- Step 1: Write the proportion equation
76,013.24 : 104,901.62 = 47,349.90 : x - Step 2: Convert to fraction form
76,013.24/104,901.62 = 47,349.90/x - Step 3: Cross multiply
76,013.24x = 104,901.62 × 47,349.90 - Step 4: Simplify right side
76,013.24x = 4,967,080,980.09 - Step 5: Solve for x
x = 4,967,080,980.09/76,013.24 - Step 6: Final answer
x = 65,344.95
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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.