Finding the Fourth Proportional to 79,756.13, 110,068.38 and 43,946.14
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Solution
The fourth proportional to 79,756.13, 110,068.38 and 43,946.14 is: 60,648.37
Step by Step Solution
- Step 1: Write the proportion equation
79,756.13 : 110,068.38 = 43,946.14 : x - Step 2: Convert to fraction form
79,756.13/110,068.38 = 43,946.14/x - Step 3: Cross multiply
79,756.13x = 110,068.38 × 43,946.14 - Step 4: Simplify right side
79,756.13x = 4,837,079,666.98 - Step 5: Solve for x
x = 4,837,079,666.98/79,756.13 - Step 6: Final answer
x = 60,648.37
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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.