Finding the Fourth Proportional to 79,885.56, 110,204.93 and 47,602.07
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Solution
The fourth proportional to 79,885.56, 110,204.93 and 47,602.07 is: 65,668.71
Step by Step Solution
- Step 1: Write the proportion equation
79,885.56 : 110,204.93 = 47,602.07 : x - Step 2: Convert to fraction form
79,885.56/110,204.93 = 47,602.07/x - Step 3: Cross multiply
79,885.56x = 110,204.93 × 47,602.07 - Step 4: Simplify right side
79,885.56x = 5,245,982,003.17 - Step 5: Solve for x
x = 5,245,982,003.17/79,885.56 - Step 6: Final answer
x = 65,668.71
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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.